Mystery Encounter bug fixes and minor adjustments (#4299)

* various bug fixes for MEs

* various bug fixes for MEs

* fix final isTransferable rename that was missed

* change Trainer's test vouchers for second option

* change unit test skips

* cut down excess ME track length and loop properly

* ME bug fix cleanup

* updating AI for Slumbering Snorlax ME, and small ME balance changes

* fix ts error

* fix bug type superfan dialogue discrepancy

* ME bug fixes PR feedback

* ME PR nits and fixes

---------

Co-authored-by: ImperialSympathizer <imperialsympathizer@gmail.com>

public/images/mystery-encounters/weird_dream_woman.json

@@ -5,29 +5,29 @@
 			"format": "RGBA8888",
 			"size": {
 				"w": 78,
-				"h": 87
+				"h": 86
 			},
 			"scale": 1,
 			"frames": [
 				{
 					"filename": "0001.png",
 					"rotated": false,
-					"trimmed": true,
+					"trimmed": false,
 					"sourceSize": {
-						"w": 80,
+						"w": 78,
-						"h": 87
+						"h": 86
 					},
 					"spriteSourceSize": {
-						"x": 1,
+						"x": 0,
 						"y": 0,
 						"w": 78,
-						"h": 87
+						"h": 86
 					},
 					"frame": {
 						"x": 0,
 						"y": 0,
 						"w": 78,
-						"h": 87
+						"h": 86
 					}
 				}
 			]
@@ -36,6 +36,6 @@
 	"meta": {
 		"app": "https://www.codeandweb.com/texturepacker",
 		"version": "3.0",
-		"smartupdate": "$TexturePacker:SmartUpdate:d3cce87ee0e3a880d840bffe9373d5d4:7c776d33b75abad1fe36b14a5e5734af:56468b7a2883e66dadcd2af13ebd8010$"
+		"smartupdate": "$TexturePacker:SmartUpdate:65266da62e9d2953511c0d68ae431345:c1ca63690bed8dd5af71bb443910c830:56468b7a2883e66dadcd2af13ebd8010$"
 	}
 }

src/battle-scene.ts

@@ -1911,6 +1911,19 @@ export default class BattleScene extends SceneBase {
     return false;
   }
 
+  /**
+   * Fades out current track for `delay` ms, then fades in new track.
+   * @param newBgmKey
+   * @param destroy
+   * @param delay
+   */
+  fadeAndSwitchBgm(newBgmKey: string, destroy: boolean = false, delay: number = 2000) {
+    this.fadeOutBgm(delay, destroy);
+    this.time.delayedCall(delay, () => {
+      this.playBgm(newBgmKey);
+    });
+  }
+
   playSound(sound: string | AnySound, config?: object): AnySound {
     const key = typeof sound === "string" ? sound : sound.key;
     config = config ?? {};
@@ -2157,6 +2170,16 @@ export default class BattleScene extends SceneBase {
       return 13.13;
     case "battle_macro_boss": //SWSH Rose Battle
       return 11.42;
+    case "mystery_encounter_gen_5_gts": // BW GTS
+      return 8.52;
+    case "mystery_encounter_gen_6_gts": // XY GTS
+      return 9.24;
+    case "mystery_encounter_fun_and_games": // EoS Guildmaster Wigglytuff
+      return 4.78;
+    case "mystery_encounter_weird_dream": // EoS Temporal Spire
+      return 41.42;
+    case "mystery_encounter_delibirdy": // Firel Delibirdy
+      return 82.28;
     }
 
     return 0;
@@ -2603,7 +2626,7 @@ export default class BattleScene extends SceneBase {
       }
 
       party.forEach((enemyPokemon: EnemyPokemon, i: integer) => {
-        if (heldModifiersConfigs && i < heldModifiersConfigs.length && heldModifiersConfigs[i] && heldModifiersConfigs[i].length > 0) {
+        if (heldModifiersConfigs && i < heldModifiersConfigs.length && heldModifiersConfigs[i]) {
           heldModifiersConfigs[i].forEach(mt => {
             let modifier: PokemonHeldItemModifier;
             if (mt.modifier instanceof PokemonHeldItemModifierType) {
@@ -2614,8 +2637,7 @@ export default class BattleScene extends SceneBase {
             }
             const stackCount = mt.stackCount ?? 1;
             modifier.stackCount = stackCount;
-            // TODO: set isTransferable
+            modifier.isTransferable = mt.isTransferable ?? modifier.isTransferable;
-            // modifier.isTransferrable = mt.isTransferable ?? true;
             this.addEnemyModifier(modifier, true);
           });
         } else {

src/battle.ts

@@ -14,7 +14,7 @@ import { PlayerGender } from "#enums/player-gender";
 import { Species } from "#enums/species";
 import { TrainerType } from "#enums/trainer-type";
 import i18next from "#app/plugins/i18n";
-import MysteryEncounter from "./data/mystery-encounters/mystery-encounter";
+import MysteryEncounter from "#app/data/mystery-encounters/mystery-encounter";
 import { MysteryEncounterMode } from "#enums/mystery-encounter-mode";
 
 export enum BattleType {
@@ -157,7 +157,7 @@ export default class Battle {
   }
 
   addPostBattleLoot(enemyPokemon: EnemyPokemon): void {
-    this.postBattleLoot.push(...enemyPokemon.scene.findModifiers(m => m instanceof PokemonHeldItemModifier && m.pokemonId === enemyPokemon.id && m.isTransferrable, false).map(i => {
+    this.postBattleLoot.push(...enemyPokemon.scene.findModifiers(m => m instanceof PokemonHeldItemModifier && m.pokemonId === enemyPokemon.id && m.isTransferable, false).map(i => {
       const ret = i as PokemonHeldItemModifier;
       //@ts-ignore - this is awful to fix/change
       ret.pokemonId = null;

src/data/ability.ts

@@ -1670,7 +1670,7 @@ export class PostAttackStealHeldItemAbAttr extends PostAttackAbAttr {
   applyPostAttackAfterMoveTypeCheck(pokemon: Pokemon, passive: boolean, simulated: boolean, defender: Pokemon, move: Move, hitResult: HitResult, args: any[]): Promise<boolean> {
     return new Promise<boolean>(resolve => {
       if (!simulated && hitResult < HitResult.NO_EFFECT && (!this.stealCondition || this.stealCondition(pokemon, defender, move))) {
-        const heldItems = this.getTargetHeldItems(defender).filter(i => i.isTransferrable);
+        const heldItems = this.getTargetHeldItems(defender).filter(i => i.isTransferable);
         if (heldItems.length) {
           const stolenItem = heldItems[pokemon.randSeedInt(heldItems.length)];
           pokemon.scene.tryTransferHeldItemModifier(stolenItem, pokemon, false).then(success => {
@@ -1763,7 +1763,7 @@ export class PostDefendStealHeldItemAbAttr extends PostDefendAbAttr {
   applyPostDefend(pokemon: Pokemon, passive: boolean, simulated: boolean, attacker: Pokemon, move: Move, hitResult: HitResult, args: any[]): Promise<boolean> {
     return new Promise<boolean>(resolve => {
       if (!simulated && hitResult < HitResult.NO_EFFECT && (!this.condition || this.condition(pokemon, attacker, move))) {
-        const heldItems = this.getTargetHeldItems(attacker).filter(i => i.isTransferrable);
+        const heldItems = this.getTargetHeldItems(attacker).filter(i => i.isTransferable);
         if (heldItems.length) {
           const stolenItem = heldItems[pokemon.randSeedInt(heldItems.length)];
           pokemon.scene.tryTransferHeldItemModifier(stolenItem, pokemon, false).then(success => {

src/data/move.ts

@@ -1,16 +1,15 @@
-import { ChargeAnim, MoveChargeAnim, initMoveAnim, loadMoveAnimAssets } from "./battle-anims";
+import { ChargeAnim, initMoveAnim, loadMoveAnimAssets, MoveChargeAnim } from "./battle-anims";
-import { EncoreTag, GulpMissileTag, HelpingHandTag, SemiInvulnerableTag, ShellTrapTag, StockpilingTag, TrappedTag, SubstituteTag, TypeBoostTag } from "./battler-tags";
+import { EncoreTag, GulpMissileTag, HelpingHandTag, SemiInvulnerableTag, ShellTrapTag, StockpilingTag, SubstituteTag, TrappedTag, TypeBoostTag } from "./battler-tags";
 import { getPokemonNameWithAffix } from "../messages";
 import Pokemon, { AttackMoveResult, EnemyPokemon, HitResult, MoveResult, PlayerPokemon, PokemonMove, TurnMove } from "../field/pokemon";
-import { StatusEffect, getStatusEffectHealText, isNonVolatileStatusEffect, getNonVolatileStatusEffects } from "./status-effect";
+import { getNonVolatileStatusEffects, getStatusEffectHealText, isNonVolatileStatusEffect, StatusEffect } from "./status-effect";
 import { getTypeDamageMultiplier, Type } from "./type";
-import { Constructor } from "#app/utils";
+import { Constructor, NumberHolder } from "#app/utils";
 import * as Utils from "../utils";
 import { WeatherType } from "./weather";
 import { ArenaTagSide, ArenaTrapTag, WeakenMoveTypeTag } from "./arena-tag";
-import { UnswappableAbilityAbAttr, UncopiableAbilityAbAttr, UnsuppressableAbilityAbAttr, BlockRecoilDamageAttr, BlockOneHitKOAbAttr, IgnoreContactAbAttr, MaxMultiHitAbAttr, applyAbAttrs, BlockNonDirectDamageAbAttr, MoveAbilityBypassAbAttr, ReverseDrainAbAttr, FieldPreventExplosiveMovesAbAttr, ForceSwitchOutImmunityAbAttr, BlockItemTheftAbAttr, applyPostAttackAbAttrs, ConfusionOnStatusEffectAbAttr, HealFromBerryUseAbAttr, IgnoreProtectOnContactAbAttr, IgnoreMoveEffectsAbAttr, applyPreDefendAbAttrs, MoveEffectChanceMultiplierAbAttr, WonderSkinAbAttr, applyPreAttackAbAttrs, MoveTypeChangeAbAttr, UserFieldMoveTypePowerBoostAbAttr, FieldMoveTypePowerBoostAbAttr, AllyMoveCategoryPowerBoostAbAttr, VariableMovePowerAbAttr } from "./ability";
+import { allAbilities, AllyMoveCategoryPowerBoostAbAttr, applyAbAttrs, applyPostAttackAbAttrs, applyPreAttackAbAttrs, applyPreDefendAbAttrs, BlockItemTheftAbAttr, BlockNonDirectDamageAbAttr, BlockOneHitKOAbAttr, BlockRecoilDamageAttr, ConfusionOnStatusEffectAbAttr, FieldMoveTypePowerBoostAbAttr, FieldPreventExplosiveMovesAbAttr, ForceSwitchOutImmunityAbAttr, HealFromBerryUseAbAttr, IgnoreContactAbAttr, IgnoreMoveEffectsAbAttr, IgnoreProtectOnContactAbAttr, MaxMultiHitAbAttr, MoveAbilityBypassAbAttr, MoveEffectChanceMultiplierAbAttr, MoveTypeChangeAbAttr, ReverseDrainAbAttr, UncopiableAbilityAbAttr, UnsuppressableAbilityAbAttr, UnswappableAbilityAbAttr, UserFieldMoveTypePowerBoostAbAttr, VariableMovePowerAbAttr, WonderSkinAbAttr } from "./ability";
-import { allAbilities } from "./ability";
+import { AttackTypeBoosterModifier, BerryModifier, PokemonHeldItemModifier, PokemonMoveAccuracyBoosterModifier, PokemonMultiHitModifier, PreserveBerryModifier } from "../modifier/modifier";
-import { PokemonHeldItemModifier, BerryModifier, PreserveBerryModifier, PokemonMoveAccuracyBoosterModifier, AttackTypeBoosterModifier, PokemonMultiHitModifier } from "../modifier/modifier";
 import { BattlerIndex, BattleType } from "../battle";
 import { TerrainType } from "./terrain";
 import { ModifierPoolType } from "#app/modifier/modifier-type";
@@ -25,7 +24,7 @@ import { Biome } from "#enums/biome";
 import { Moves } from "#enums/moves";
 import { Species } from "#enums/species";
 import { MoveUsedEvent } from "#app/events/battle-scene";
-import { Stat, type BattleStat, type EffectiveStat, BATTLE_STATS, EFFECTIVE_STATS, getStatKey } from "#app/enums/stat";
+import { BATTLE_STATS, type BattleStat, EFFECTIVE_STATS, type EffectiveStat, getStatKey, Stat } from "#app/enums/stat";
 import { PartyStatusCurePhase } from "#app/phases/party-status-cure-phase";
 import { BattleEndPhase } from "#app/phases/battle-end-phase";
 import { MoveEndPhase } from "#app/phases/move-end-phase";
@@ -36,7 +35,6 @@ import { StatStageChangePhase } from "#app/phases/stat-stage-change-phase";
 import { SwitchPhase } from "#app/phases/switch-phase";
 import { SwitchSummonPhase } from "#app/phases/switch-summon-phase";
 import { SpeciesFormChangeRevertWeatherFormTrigger } from "./pokemon-forms";
-import { NumberHolder } from "#app/utils";
 import { GameMode } from "#app/game-mode";
 import { applyChallenges, ChallengeType } from "./challenge";
 
@@ -2136,7 +2134,7 @@ export class StealHeldItemChanceAttr extends MoveEffectAttr {
       if (rand >= this.chance) {
         return resolve(false);
       }
-      const heldItems = this.getTargetHeldItems(target).filter(i => i.isTransferrable);
+      const heldItems = this.getTargetHeldItems(target).filter(i => i.isTransferable);
       if (heldItems.length) {
         const poolType = target.isPlayer() ? ModifierPoolType.PLAYER : target.hasTrainer() ? ModifierPoolType.TRAINER : ModifierPoolType.WILD;
         const highestItemTier = heldItems.map(m => m.type.getOrInferTier(poolType)).reduce((highestTier, tier) => Math.max(tier!, highestTier), 0); // TODO: is the bang after tier correct?
@@ -2213,7 +2211,7 @@ export class RemoveHeldItemAttr extends MoveEffectAttr {
     }
 
     // Considers entire transferrable item pool by default (Knock Off). Otherwise berries only if specified (Incinerate).
-    let heldItems = this.getTargetHeldItems(target).filter(i => i.isTransferrable);
+    let heldItems = this.getTargetHeldItems(target).filter(i => i.isTransferable);
 
     if (this.berriesOnly) {
       heldItems = heldItems.filter(m => m instanceof BerryModifier && m.pokemonId === target.id, target.isPlayer());
@@ -2417,6 +2415,16 @@ export class BypassSleepAttr extends MoveAttr {
 
     return false;
   }
+
+  /**
+   * Returns arbitrarily high score when Pokemon is asleep, otherwise shouldn't be used
+   * @param user
+   * @param target
+   * @param move
+   */
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return user.status && user.status.effect === StatusEffect.SLEEP ? 200 : -10;
+  }
 }
 
 /**
@@ -6392,7 +6400,7 @@ export class AttackedByItemAttr extends MoveAttr {
    */
   getCondition(): MoveConditionFunc {
     return (user: Pokemon, target: Pokemon, move: Move) => {
-      const heldItems = target.getHeldItems().filter(i => i.isTransferrable);
+      const heldItems = target.getHeldItems().filter(i => i.isTransferable);
       if (heldItems.length === 0) {
         return false;
       }
@@ -7531,7 +7539,7 @@ export function initMoves() {
       .attr(AddBattlerTagAttr, BattlerTagType.DROWSY, false, true)
       .condition((user, target, move) => !target.status && !target.scene.arena.getTagOnSide(ArenaTagType.SAFEGUARD, target.isPlayer() ? ArenaTagSide.PLAYER : ArenaTagSide.ENEMY)),
     new AttackMove(Moves.KNOCK_OFF, Type.DARK, MoveCategory.PHYSICAL, 65, 100, 20, -1, 0, 3)
-      .attr(MovePowerMultiplierAttr, (user, target, move) => target.getHeldItems().filter(i => i.isTransferrable).length > 0 ? 1.5 : 1)
+      .attr(MovePowerMultiplierAttr, (user, target, move) => target.getHeldItems().filter(i => i.isTransferable).length > 0 ? 1.5 : 1)
       .attr(RemoveHeldItemAttr, false),
     new AttackMove(Moves.ENDEAVOR, Type.NORMAL, MoveCategory.PHYSICAL, -1, 100, 5, -1, 0, 3)
       .attr(MatchHpAttr)
@@ -8183,7 +8191,7 @@ export function initMoves() {
     new StatusMove(Moves.QUASH, Type.DARK, 100, 15, -1, 0, 5)
       .unimplemented(),
     new AttackMove(Moves.ACROBATICS, Type.FLYING, MoveCategory.PHYSICAL, 55, 100, 15, -1, 0, 5)
-      .attr(MovePowerMultiplierAttr, (user, target, move) => Math.max(1, 2 - 0.2 * user.getHeldItems().filter(i => i.isTransferrable).reduce((v, m) => v + m.stackCount, 0))),
+      .attr(MovePowerMultiplierAttr, (user, target, move) => Math.max(1, 2 - 0.2 * user.getHeldItems().filter(i => i.isTransferable).reduce((v, m) => v + m.stackCount, 0))),
     new StatusMove(Moves.REFLECT_TYPE, Type.NORMAL, -1, 15, -1, 0, 5)
       .ignoresSubstitute()
       .attr(CopyTypeAttr),

src/data/mystery-encounters/encounters/a-trainers-test-encounter.ts

@@ -2,7 +2,7 @@ import { EnemyPartyConfig, initBattleWithEnemyConfig, leaveEncounterWithoutBattl
 import { trainerConfigs, } from "#app/data/trainer-config";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { TrainerType } from "#enums/trainer-type";
 import { Species } from "#enums/species";
@@ -99,7 +99,7 @@ export const ATrainersTestEncounter: MysteryEncounter =
       const trainerConfig = trainerConfigs[trainerType].clone();
       const trainerSpriteKey = trainerConfig.getSpriteKey();
       encounter.enemyPartyConfigs.push({
-        levelAdditiveMultiplier: 1,
+        levelAdditiveModifier: 1,
         trainerConfig: trainerConfig
       });
 
@@ -152,7 +152,6 @@ export const ATrainersTestEncounter: MysteryEncounter =
         };
         encounter.setDialogueToken("eggType", i18next.t(`${namespace}.eggTypes.epic`));
         setEncounterRewards(scene, { guaranteedModifierTypeFuncs: [modifierTypes.SACRED_ASH], guaranteedModifierTiers: [ModifierTier.ROGUE, ModifierTier.ULTRA], fillRemaining: true }, [eggOptions]);
-
         return initBattleWithEnemyConfig(scene, config);
       }
     )
@@ -180,7 +179,7 @@ export const ATrainersTestEncounter: MysteryEncounter =
     )
     .withOutroDialogue([
       {
-        text: `${namespace}.outro`,
+        text: `${namespace}.outro`
-      },
+      }
     ])
     .build();

src/data/mystery-encounters/encounters/absolute-avarice-encounter.ts

@@ -4,9 +4,9 @@ import { BerryModifierType, modifierTypes, PokemonHeldItemModifierType } from "#
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import { Species } from "#enums/species";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
-import { PersistentModifierRequirement } from "../mystery-encounter-requirements";
+import { PersistentModifierRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import { queueEncounterMessage } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
@@ -208,7 +208,7 @@ export const AbsoluteAvariceEncounter: MysteryEncounter =
 
       // Calculate boss mon
       const config: EnemyPartyConfig = {
-        levelAdditiveMultiplier: 1,
+        levelAdditiveModifier: 1,
         pokemonConfigs: [
           {
             species: getPokemonSpecies(Species.GREEDENT),
@@ -291,7 +291,7 @@ export const AbsoluteAvariceEncounter: MysteryEncounter =
           const encounter = scene.currentBattle.mysteryEncounter!;
           const berryMap = encounter.misc.berryItemsMap;
 
-          // Returns 2/5 of the berries stolen from each Pokemon
+          // Returns 2/5 of the berries stolen to each Pokemon
           const party = scene.getParty();
           party.forEach(pokemon => {
             const stolenBerries: BerryModifier[] = berryMap.get(pokemon.id);
@@ -310,6 +310,7 @@ export const AbsoluteAvariceEncounter: MysteryEncounter =
               }
             }
           });
+          await scene.updateModifiers(true);
 
           transitionMysteryEncounterIntroVisuals(scene, true, true, 500);
           leaveEncounterWithoutBattle(scene, true);

src/data/mystery-encounters/encounters/an-offer-you-cant-refuse-encounter.ts

@@ -3,9 +3,9 @@ import { modifierTypes } from "#app/modifier/modifier-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import { Species } from "#enums/species";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
-import { AbilityRequirement, CombinationPokemonRequirement, MoveRequirement } from "../mystery-encounter-requirements";
+import { AbilityRequirement, CombinationPokemonRequirement, MoveRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import { getHighestStatTotalPlayerPokemon } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
 import { EXTORTION_ABILITIES, EXTORTION_MOVES } from "#app/data/mystery-encounters/requirements/requirement-groups";
 import { getPokemonSpecies } from "#app/data/pokemon-species";

src/data/mystery-encounters/encounters/berries-abound-encounter.ts

@@ -17,13 +17,13 @@ import { randSeedInt } from "#app/utils";
 import { BattlerTagType } from "#enums/battler-tag-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import { queueEncounterMessage, showEncounterText } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
 import { getPokemonNameWithAffix } from "#app/messages";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { TrainerSlot } from "#app/data/trainer-config";
-import { applyModifierTypeToPlayerPokemon, getHighestStatPlayerPokemon, getSpriteKeysFromPokemon } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
+import { applyModifierTypeToPlayerPokemon, getEncounterPokemonLevelForWave, getHighestStatPlayerPokemon, getSpriteKeysFromPokemon, STANDARD_ENCOUNTER_BOOSTED_LEVEL_MODIFIER } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
 import PokemonData from "#app/system/pokemon-data";
 import { BerryModifier } from "#app/modifier/modifier";
 import i18next from "#app/plugins/i18n";
@@ -56,12 +56,11 @@ export const BerriesAboundEncounter: MysteryEncounter =
       const encounter = scene.currentBattle.mysteryEncounter!;
 
       // Calculate boss mon
-      const level = (scene.currentBattle.enemyLevels?.[0] ?? scene.currentBattle.waveIndex) + Math.max(Math.round((scene.currentBattle.waveIndex / 10)), 0);
+      const level = getEncounterPokemonLevelForWave(scene, STANDARD_ENCOUNTER_BOOSTED_LEVEL_MODIFIER);
       const bossSpecies = scene.arena.randomSpecies(scene.currentBattle.waveIndex, level, 0, getPartyLuckValue(scene.getParty()), true);
       const bossPokemon = new EnemyPokemon(scene, bossSpecies, level, TrainerSlot.NONE, true);
       encounter.setDialogueToken("enemyPokemon", getPokemonNameWithAffix(bossPokemon));
       const config: EnemyPartyConfig = {
-        levelAdditiveMultiplier: 1,
         pokemonConfigs: [{
           level: level,
           species: bossSpecies,

src/data/mystery-encounters/encounters/bug-type-superfan-encounter.ts

@@ -19,7 +19,7 @@ import { PartyMemberStrength } from "#enums/party-member-strength";
 import BattleScene from "#app/battle-scene";
 import * as Utils from "#app/utils";
 import { isNullOrUndefined, randSeedInt, randSeedShuffle } from "#app/utils";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { TrainerType } from "#enums/trainer-type";
 import { Species } from "#enums/species";
@@ -192,6 +192,7 @@ export const BugTypeSuperfanEncounter: MysteryEncounter =
       new AttackTypeBoosterHeldItemTypeRequirement(Type.BUG, 1),
       new TypeRequirement(Type.BUG, false, 1)
     ))
+    .withMaxAllowedEncounters(1)
     .withSceneWaveRangeRequirement(...CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES)
     .withIntroSpriteConfigs([]) // These are set in onInit()
     .withAutoHideIntroVisuals(false)
@@ -286,7 +287,8 @@ export const BugTypeSuperfanEncounter: MysteryEncounter =
 
         // Player gets different rewards depending on the number of bug types they have
         const numBugTypes = scene.getParty().filter(p => p.isOfType(Type.BUG, true)).length;
-        encounter.setDialogueToken("numBugTypes", numBugTypes.toString());
+        const numBugTypesText = i18next.t(`${namespace}.numBugTypes`, { count: numBugTypes });
+        encounter.setDialogueToken("numBugTypes", numBugTypesText);
 
         if (numBugTypes < 2) {
           setEncounterRewards(scene, { guaranteedModifierTypeFuncs: [modifierTypes.SUPER_LURE, modifierTypes.GREAT_BALL], fillRemaining: false });

src/data/mystery-encounters/encounters/clowning-around-encounter.ts

@@ -5,7 +5,7 @@ import { modifierTypes, PokemonHeldItemModifierType } from "#app/modifier/modifi
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import { PartyMemberStrength } from "#enums/party-member-strength";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { Species } from "#enums/species";
 import { TrainerType } from "#enums/trainer-type";
@@ -246,12 +246,12 @@ export const ClowningAroundEncounter: MysteryEncounter =
           const party = scene.getParty();
           let mostHeldItemsPokemon = party[0];
           let count = mostHeldItemsPokemon.getHeldItems()
-            .filter(m => m.isTransferrable && !(m instanceof BerryModifier))
+            .filter(m => m.isTransferable && !(m instanceof BerryModifier))
             .reduce((v, m) => v + m.stackCount, 0);
 
           party.forEach(pokemon => {
             const nextCount = pokemon.getHeldItems()
-              .filter(m => m.isTransferrable && !(m instanceof BerryModifier))
+              .filter(m => m.isTransferable && !(m instanceof BerryModifier))
               .reduce((v, m) => v + m.stackCount, 0);
             if (nextCount > count) {
               mostHeldItemsPokemon = pokemon;
@@ -276,7 +276,7 @@ export const ClowningAroundEncounter: MysteryEncounter =
           // Shuffle Transferable held items in the same tier (only shuffles Ultra and Rogue atm)
           let numUltra = 0;
           let numRogue = 0;
-          items.filter(m => m.isTransferrable && !(m instanceof BerryModifier))
+          items.filter(m => m.isTransferable && !(m instanceof BerryModifier))
             .forEach(m => {
               const type = m.type.withTierFromPool();
               const tier = type.tier ?? ModifierTier.ULTRA;

src/data/mystery-encounters/encounters/dancing-lessons-encounter.ts

@@ -3,8 +3,8 @@ import Pokemon, { EnemyPokemon, PlayerPokemon, PokemonMove } from "#app/field/po
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import { Species } from "#enums/species";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { getPokemonSpecies } from "#app/data/pokemon-species";
@@ -19,7 +19,7 @@ import { MoveRequirement } from "#app/data/mystery-encounters/mystery-encounter-
 import { DANCING_MOVES } from "#app/data/mystery-encounters/requirements/requirement-groups";
 import { OptionSelectItem } from "#app/ui/abstact-option-select-ui-handler";
 import { BattlerIndex } from "#app/battle";
-import { catchPokemon } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
+import { catchPokemon, getEncounterPokemonLevelForWave, STANDARD_ENCOUNTER_BOOSTED_LEVEL_MODIFIER } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
 import { PokeballType } from "#enums/pokeball";
 import { modifierTypes } from "#app/modifier/modifier-type";
 import { LearnMovePhase } from "#app/phases/learn-move-phase";
@@ -107,7 +107,7 @@ export const DancingLessonsEncounter: MysteryEncounter =
       const encounter = scene.currentBattle.mysteryEncounter!;
 
       const species = getPokemonSpecies(Species.ORICORIO);
-      const level = (scene.currentBattle.enemyLevels?.[0] ?? scene.currentBattle.waveIndex) + Math.max(Math.round((scene.currentBattle.waveIndex / 10)), 0);
+      const level = getEncounterPokemonLevelForWave(scene, STANDARD_ENCOUNTER_BOOSTED_LEVEL_MODIFIER);
       const enemyPokemon = new EnemyPokemon(scene, species, level, TrainerSlot.NONE, false);
       if (!enemyPokemon.moveset.some(m => m && m.getMove().id === Moves.REVELATION_DANCE)) {
         if (enemyPokemon.moveset.length < 4) {
@@ -146,7 +146,6 @@ export const DancingLessonsEncounter: MysteryEncounter =
       encounter.loadAssets.push(oricorio.loadAssets());
 
       const config: EnemyPartyConfig = {
-        levelAdditiveMultiplier: 1,
         pokemonConfigs: [{
           species: species,
           dataSource: oricorioData,

src/data/mystery-encounters/encounters/dark-deal-encounter.ts

@@ -5,8 +5,8 @@ import { Species } from "#enums/species";
 import BattleScene from "#app/battle-scene";
 import { modifierTypes } from "#app/modifier/modifier-type";
 import { getPokemonSpecies } from "#app/data/pokemon-species";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { EnemyPartyConfig, EnemyPokemonConfig, initBattleWithEnemyConfig, leaveEncounterWithoutBattle, } from "../utils/encounter-phase-utils";
 import { getRandomPlayerPokemon, getRandomSpeciesByStarterTier } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
@@ -18,7 +18,7 @@ import { CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES } from "#app/game-mode";
 /** i18n namespace for encounter */
 const namespace = "mysteryEncounter:darkDeal";
 
-/** Exclude Ultra Beasts (inludes Cosmog/Solgaleo/Lunala/Necrozma), Paradox (includes Miraidon/Koraidon), Eternatus, and egg-locked mythicals */
+/** Exclude Ultra Beasts (inludes Cosmog/Solgaleo/Lunala/Necrozma), Paradox (includes Miraidon/Koraidon), Eternatus, and Mythicals */
 const excludedBosses = [
   Species.NECROZMA,
   Species.COSMOG,
@@ -63,11 +63,24 @@ const excludedBosses = [
   Species.CELEBI,
   Species.DEOXYS,
   Species.JIRACHI,
+  Species.DARKRAI,
   Species.PHIONE,
   Species.MANAPHY,
   Species.ARCEUS,
+  Species.SHAYMIN,
   Species.VICTINI,
+  Species.MELOETTA,
+  Species.KELDEO,
+  Species.GENESECT,
+  Species.DIANCIE,
+  Species.HOOPA,
+  Species.VOLCANION,
+  Species.MAGEARNA,
+  Species.MARSHADOW,
+  Species.ZERAORA,
+  Species.ZARUDE,
   Species.MELTAN,
+  Species.MELMETAL,
   Species.PECHARUNT,
 ];
 
@@ -151,7 +164,7 @@ export const DarkDealEncounter: MysteryEncounter =
           // Starter egg tier, 35/50/10/5 %odds for tiers 6/7/8/9+
           const roll = randSeedInt(100);
           const starterTier: number | [number, number] =
-            roll > 65 ? 6 : roll > 15 ? 7 : roll > 5 ? 8 : [9, 10];
+            roll >= 65 ? 6 : roll >= 15 ? 7 : roll >= 5 ? 8 : [9, 10];
           const bossSpecies = getPokemonSpecies(getRandomSpeciesByStarterTier(starterTier, excludedBosses, bossTypes));
           const pokemonConfig: EnemyPokemonConfig = {
             species: bossSpecies,

src/data/mystery-encounters/encounters/delibirdy-encounter.ts

@@ -4,9 +4,9 @@ import { modifierTypes, PokemonHeldItemModifierType } from "#app/modifier/modifi
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import { Species } from "#enums/species";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
-import { CombinationPokemonRequirement, HeldItemRequirement, MoneyRequirement } from "../mystery-encounter-requirements";
+import { CombinationPokemonRequirement, HeldItemRequirement, MoneyRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import { getEncounterText, showEncounterText } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
@@ -33,6 +33,8 @@ const OPTION_3_DISALLOWED_MODIFIERS = [
   "PokemonBaseStatTotalModifier"
 ];
 
+const DELIBIRDY_MONEY_PRICE_MULTIPLIER = 1.5;
+
 /**
  * Delibird-y encounter.
  * @see {@link https://github.com/pagefaultgames/pokerogue/issues/3804 | GitHub Issue #3804}
@@ -42,7 +44,7 @@ export const DelibirdyEncounter: MysteryEncounter =
   MysteryEncounterBuilder.withEncounterType(MysteryEncounterType.DELIBIRDY)
     .withEncounterTier(MysteryEncounterTier.GREAT)
     .withSceneWaveRangeRequirement(...CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES)
-    .withSceneRequirement(new MoneyRequirement(0, 2)) // Must have enough money for it to spawn at the very least
+    .withSceneRequirement(new MoneyRequirement(0, DELIBIRDY_MONEY_PRICE_MULTIPLIER)) // Must have enough money for it to spawn at the very least
     .withPrimaryPokemonRequirement(new CombinationPokemonRequirement( // Must also have either option 2 or 3 available to spawn
       new HeldItemRequirement(OPTION_2_ALLOWED_MODIFIERS),
       new HeldItemRequirement(OPTION_3_DISALLOWED_MODIFIERS, 1, true)
@@ -93,12 +95,18 @@ export const DelibirdyEncounter: MysteryEncounter =
     .withOnInit((scene: BattleScene) => {
       const encounter = scene.currentBattle.mysteryEncounter!;
       encounter.setDialogueToken("delibirdName", getPokemonSpecies(Species.DELIBIRD).getName());
+
+      scene.loadBgm("mystery_encounter_delibirdy", "mystery_encounter_delibirdy.mp3");
+      return true;
+    })
+    .withOnVisualsStart((scene: BattleScene) => {
+      scene.fadeAndSwitchBgm("mystery_encounter_delibirdy");
       return true;
     })
     .withOption(
       MysteryEncounterOptionBuilder
         .newOptionWithMode(MysteryEncounterOptionMode.DISABLED_OR_DEFAULT)
-        .withSceneMoneyRequirement(0, 2) // Must have money to spawn
+        .withSceneMoneyRequirement(0, DELIBIRDY_MONEY_PRICE_MULTIPLIER) // Must have money to spawn
         .withDialogue({
           buttonLabel: `${namespace}.option.1.label`,
           buttonTooltip: `${namespace}.option.1.tooltip`,

src/data/mystery-encounters/encounters/department-store-sale-encounter.ts

@@ -9,7 +9,7 @@ import { Species } from "#enums/species";
 import BattleScene from "#app/battle-scene";
 import MysteryEncounter, {
   MysteryEncounterBuilder,
-} from "../mystery-encounter";
+} from "#app/data/mystery-encounters/mystery-encounter";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES } from "#app/game-mode";
 

src/data/mystery-encounters/encounters/field-trip-encounter.ts

@@ -6,7 +6,7 @@ import { modifierTypes } from "#app/modifier/modifier-type";
 import { OptionSelectItem } from "#app/ui/abstact-option-select-ui-handler";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { Stat } from "#enums/stat";

src/data/mystery-encounters/encounters/fiery-fallout-encounter.ts

@@ -3,8 +3,8 @@ import { EnemyPartyConfig, initBattleWithEnemyConfig, loadCustomMovesForEncounte
 import { AttackTypeBoosterModifierType, modifierTypes, } from "#app/modifier/modifier-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { TypeRequirement } from "../mystery-encounter-requirements";
+import { TypeRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import { Species } from "#enums/species";
 import { getPokemonSpecies } from "#app/data/pokemon-species";
 import { Gender } from "#app/data/gender";

src/data/mystery-encounters/encounters/fight-or-flight-encounter.ts

@@ -17,12 +17,12 @@ import {
 } from "#app/modifier/modifier-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MoveRequirement } from "../mystery-encounter-requirements";
+import { MoveRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { TrainerSlot } from "#app/data/trainer-config";
-import { getSpriteKeysFromPokemon } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
+import { getEncounterPokemonLevelForWave, getSpriteKeysFromPokemon, STANDARD_ENCOUNTER_BOOSTED_LEVEL_MODIFIER } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
 import PokemonData from "#app/system/pokemon-data";
 import { BattlerTagType } from "#enums/battler-tag-type";
 import { queueEncounterMessage } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
@@ -54,12 +54,11 @@ export const FightOrFlightEncounter: MysteryEncounter =
       const encounter = scene.currentBattle.mysteryEncounter!;
 
       // Calculate boss mon
-      const level = (scene.currentBattle.enemyLevels?.[0] ?? scene.currentBattle.waveIndex) + Math.max(Math.round((scene.currentBattle.waveIndex / 10)), 0);
+      const level = getEncounterPokemonLevelForWave(scene, STANDARD_ENCOUNTER_BOOSTED_LEVEL_MODIFIER);
       const bossSpecies = scene.arena.randomSpecies(scene.currentBattle.waveIndex, level, 0, getPartyLuckValue(scene.getParty()), true);
       const bossPokemon = new EnemyPokemon(scene, bossSpecies, level, TrainerSlot.NONE, true);
       encounter.setDialogueToken("enemyPokemon", bossPokemon.getNameToRender());
       const config: EnemyPartyConfig = {
-        levelAdditiveMultiplier: 1,
         pokemonConfigs: [{
           level: level,
           species: bossSpecies,
@@ -69,7 +68,7 @@ export const FightOrFlightEncounter: MysteryEncounter =
           mysteryEncounterBattleEffects: (pokemon: Pokemon) => {
             queueEncounterMessage(pokemon.scene, `${namespace}.option.1.stat_boost`);
             // Randomly boost 1 stat 2 stages
-            pokemon.scene.unshiftPhase(new StatStageChangePhase(pokemon.scene, pokemon.getBattlerIndex(), true, [randSeedInt(5)], 2));
+            pokemon.scene.unshiftPhase(new StatStageChangePhase(pokemon.scene, pokemon.getBattlerIndex(), true, [randSeedInt(4, 1)], 2));
           }
         }],
       };

src/data/mystery-encounters/encounters/fun-and-games-encounter.ts

@@ -1,7 +1,7 @@
 import { leaveEncounterWithoutBattle, selectPokemonForOption, setEncounterRewards, transitionMysteryEncounterIntroVisuals, updatePlayerMoney, } from "#app/data/mystery-encounters/utils/encounter-phase-utils";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { TrainerSlot } from "#app/data/trainer-config";
 import Pokemon, { FieldPosition, PlayerPokemon } from "#app/field/pokemon";
@@ -84,12 +84,7 @@ export const FunAndGamesEncounter: MysteryEncounter =
       return true;
     })
     .withOnVisualsStart((scene: BattleScene) => {
-      // Change the bgm
+      scene.fadeAndSwitchBgm("mystery_encounter_fun_and_games");
-      scene.fadeOutBgm(2000, false);
-      scene.time.delayedCall(2000, () => {
-        scene.playBgm("mystery_encounter_fun_and_games");
-      });
-
       return true;
     })
     .withOption(MysteryEncounterOptionBuilder
@@ -175,7 +170,9 @@ async function summonPlayerPokemon(scene: BattleScene) {
     const party = scene.getParty();
     const chosenIndex = party.indexOf(playerPokemon);
     if (chosenIndex !== 0) {
-      [party[chosenIndex], party[0]] = [party[chosenIndex], party[chosenIndex]];
+      const leadPokemon = party[0];
+      party[0] = playerPokemon;
+      party[chosenIndex] = leadPokemon;
     }
 
     // Do trainer summon animation

src/data/mystery-encounters/encounters/global-trade-system-encounter.ts

@@ -4,7 +4,7 @@ import { ModifierTier } from "#app/modifier/modifier-tier";
 import { getPlayerModifierTypeOptions, ModifierPoolType, ModifierTypeOption, regenerateModifierPoolThresholds } from "#app/modifier/modifier-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { Species } from "#enums/species";
 import PokemonSpecies, { allSpecies, getPokemonSpecies } from "#app/data/pokemon-species";
@@ -23,6 +23,7 @@ import { getPokeballAtlasKey, getPokeballTintColor, PokeballType } from "#app/da
 import { getEncounterText, showEncounterText } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
 import { trainerNamePools } from "#app/data/trainer-names";
 import { CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES } from "#app/game-mode";
+import { addPokemonDataToDexAndValidateAchievements } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
 
 /** the i18n namespace for the encounter */
 const namespace = "mysteryEncounter:globalTradeSystem";
@@ -118,17 +119,13 @@ export const GlobalTradeSystemEncounter: MysteryEncounter =
       return true;
     })
     .withOnVisualsStart((scene: BattleScene) => {
-      // Change the bgm
+      scene.fadeAndSwitchBgm(scene.currentBattle.mysteryEncounter!.misc.bgmKey);
-      scene.fadeOutBgm(1500, false);
-      scene.time.delayedCall(1500, () => {
-        scene.playBgm(scene.currentBattle.mysteryEncounter!.misc.bgmKey);
-      });
-
       return true;
     })
     .withOption(
       MysteryEncounterOptionBuilder
         .newOptionWithMode(MysteryEncounterOptionMode.DEFAULT)
+        .withHasDexProgress(true)
         .withDialogue({
           buttonLabel: `${namespace}.option.1.label`,
           buttonTooltip: `${namespace}.option.1.tooltip`,
@@ -200,6 +197,7 @@ export const GlobalTradeSystemEncounter: MysteryEncounter =
           await doPokemonTradeSequence(scene, tradedPokemon, newPlayerPokemon);
           await showEncounterText(scene, `${namespace}.trade_received`, null, 0, true, 4000);
           scene.playBgm(encounter.misc.bgmKey);
+          await addPokemonDataToDexAndValidateAchievements(scene, newPlayerPokemon);
           await hideTradeBackground(scene);
           tradedPokemon.destroy();
 
@@ -210,6 +208,7 @@ export const GlobalTradeSystemEncounter: MysteryEncounter =
     .withOption(
       MysteryEncounterOptionBuilder
         .newOptionWithMode(MysteryEncounterOptionMode.DEFAULT)
+        .withHasDexProgress(true)
         .withDialogue({
           buttonLabel: `${namespace}.option.2.label`,
           buttonTooltip: `${namespace}.option.2.tooltip`,
@@ -218,8 +217,7 @@ export const GlobalTradeSystemEncounter: MysteryEncounter =
           const encounter = scene.currentBattle.mysteryEncounter!;
           const onPokemonSelected = (pokemon: PlayerPokemon) => {
             // Randomly generate a Wonder Trade pokemon
-            // const randomTradeOption = generateTradeOption(scene.getParty().map(p => p.species));
+            const randomTradeOption = generateTradeOption(scene.getParty().map(p => p.species));
-            const randomTradeOption = getPokemonSpecies(Species.BURMY);
             const tradePokemon = new EnemyPokemon(scene, randomTradeOption, pokemon.level, TrainerSlot.NONE, false);
             // Extra shiny roll at 1/128 odds (boosted by events and charms)
             if (!tradePokemon.shiny) {
@@ -280,7 +278,8 @@ export const GlobalTradeSystemEncounter: MysteryEncounter =
           await showTradeBackground(scene);
           await doPokemonTradeSequence(scene, tradedPokemon, newPlayerPokemon);
           await showEncounterText(scene, `${namespace}.trade_received`, null, 0, true, 4000);
-          scene.playBgm(scene.currentBattle.mysteryEncounter!.misc.bgmKey);
+          scene.playBgm(encounter.misc.bgmKey);
+          await addPokemonDataToDexAndValidateAchievements(scene, newPlayerPokemon);
           await hideTradeBackground(scene);
           tradedPokemon.destroy();
 
@@ -301,7 +300,7 @@ export const GlobalTradeSystemEncounter: MysteryEncounter =
           const onPokemonSelected = (pokemon: PlayerPokemon) => {
             // Get Pokemon held items and filter for valid ones
             const validItems = pokemon.getHeldItems().filter((it) => {
-              return it.isTransferrable;
+              return it.isTransferable;
             });
 
             return validItems.map((modifier: PokemonHeldItemModifier) => {
@@ -322,7 +321,7 @@ export const GlobalTradeSystemEncounter: MysteryEncounter =
           const selectableFilter = (pokemon: Pokemon) => {
             // If pokemon has items to trade
             const meetsReqs = pokemon.getHeldItems().filter((it) => {
-              return it.isTransferrable;
+              return it.isTransferable;
             }).length > 0;
             if (!meetsReqs) {
               return getEncounterText(scene, `${namespace}.option.3.invalid_selection`) ?? null;

src/data/mystery-encounters/encounters/lost-at-sea-encounter.ts

@@ -3,8 +3,8 @@ import { Moves } from "#app/enums/moves";
 import { Species } from "#app/enums/species";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { leaveEncounterWithoutBattle, setEncounterExp } from "../utils/encounter-phase-utils";
 import { applyDamageToPokemon } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";

src/data/mystery-encounters/encounters/mysterious-challengers-encounter.ts

@@ -15,7 +15,7 @@ import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import { PartyMemberStrength } from "#enums/party-member-strength";
 import BattleScene from "#app/battle-scene";
 import * as Utils from "#app/utils";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES } from "#app/game-mode";
 
@@ -75,7 +75,7 @@ export const MysteriousChallengersEncounter: MysteryEncounter =
       const hardSpriteKey = hardConfig.getSpriteKey(female, hardConfig.doubleOnly);
       encounter.enemyPartyConfigs.push({
         trainerConfig: hardConfig,
-        levelAdditiveMultiplier: 1,
+        levelAdditiveModifier: 1,
         female: female,
       });
 
@@ -98,7 +98,7 @@ export const MysteriousChallengersEncounter: MysteryEncounter =
       const brutalSpriteKey = brutalConfig.getSpriteKey(female, brutalConfig.doubleOnly);
       encounter.enemyPartyConfigs.push({
         trainerConfig: brutalConfig,
-        levelAdditiveMultiplier: 1.5,
+        levelAdditiveModifier: 1.5,
         female: female,
       });
 

src/data/mystery-encounters/encounters/mysterious-chest-encounter.ts

@@ -5,8 +5,8 @@ import { ModifierTier } from "#app/modifier/modifier-tier";
 import { randSeedInt } from "#app/utils";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { getPokemonSpecies } from "#app/data/pokemon-species";
@@ -68,7 +68,7 @@ export const MysteriousChestEncounter: MysteryEncounter =
 
       // Calculate boss mon
       const config: EnemyPartyConfig = {
-        levelAdditiveMultiplier: 0.5,
+        levelAdditiveModifier: 0.5,
         disableSwitch: true,
         pokemonConfigs: [
           {
@@ -179,6 +179,7 @@ export const MysteriousChestEncounter: MysteryEncounter =
               encounter.setDialogueToken("pokeName", highestLevelPokemon.getNameToRender());
               await showEncounterText(scene, `${namespace}.option.1.bad`);
               transitionMysteryEncounterIntroVisuals(scene, true, true, 500);
+              setEncounterRewards(scene, { fillRemaining: true });
               await initBattleWithEnemyConfig(scene, encounter.enemyPartyConfigs[0]);
             }
           }

src/data/mystery-encounters/encounters/part-timer-encounter.ts

@@ -2,8 +2,8 @@ import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/myst
 import { leaveEncounterWithoutBattle, selectPokemonForOption, setEncounterExp, setEncounterRewards, transitionMysteryEncounterIntroVisuals, updatePlayerMoney } from "#app/data/mystery-encounters/utils/encounter-phase-utils";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MoveRequirement } from "../mystery-encounter-requirements";
+import { MoveRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { Stat } from "#enums/stat";

src/data/mystery-encounters/encounters/safari-zone-encounter.ts

@@ -1,7 +1,7 @@
 import { initSubsequentOptionSelect, leaveEncounterWithoutBattle, transitionMysteryEncounterIntroVisuals, updatePlayerMoney, } from "#app/data/mystery-encounters/utils/encounter-phase-utils";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import MysteryEncounterOption, { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { TrainerSlot } from "#app/data/trainer-config";
 import { HiddenAbilityRateBoosterModifier, IvScannerModifier } from "#app/modifier/modifier";
@@ -25,7 +25,7 @@ const namespace = "mysteryEncounter:safariZone";
 
 const TRAINER_THROW_ANIMATION_TIMES = [512, 184, 768];
 
-const SAFARI_MONEY_MULTIPLIER = 2.75;
+const SAFARI_MONEY_MULTIPLIER = 2;
 
 /**
  * Safari Zone encounter.

src/data/mystery-encounters/encounters/shady-vitamin-dealer-encounter.ts

@@ -5,9 +5,9 @@ import { randSeedInt } from "#app/utils";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import { Species } from "#enums/species";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
-import { MoneyRequirement } from "../mystery-encounter-requirements";
+import { MoneyRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import { getEncounterText, queueEncounterMessage } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
 import { applyDamageToPokemon, applyModifierTypeToPlayerPokemon } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
@@ -19,6 +19,9 @@ import { CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES } from "#app/game-mode";
 /** the i18n namespace for this encounter */
 const namespace = "mysteryEncounter:shadyVitaminDealer";
 
+const VITAMIN_DEALER_CHEAP_PRICE_MULTIPLIER = 1.5;
+const VITAMIN_DEALER_EXPENSIVE_PRICE_MULTIPLIER = 3.5;
+
 /**
  * Shady Vitamin Dealer encounter.
  * @see {@link https://github.com/pagefaultgames/pokerogue/issues/3798 | GitHub Issue #3798}
@@ -28,7 +31,7 @@ export const ShadyVitaminDealerEncounter: MysteryEncounter =
   MysteryEncounterBuilder.withEncounterType(MysteryEncounterType.SHADY_VITAMIN_DEALER)
     .withEncounterTier(MysteryEncounterTier.COMMON)
     .withSceneWaveRangeRequirement(...CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES)
-    .withSceneRequirement(new MoneyRequirement(0, 1.5)) // Must have the money for at least the cheap deal
+    .withSceneRequirement(new MoneyRequirement(0, VITAMIN_DEALER_CHEAP_PRICE_MULTIPLIER)) // Must have the money for at least the cheap deal
     .withPrimaryPokemonHealthRatioRequirement([0.5, 1]) // At least 1 Pokemon must have above half HP
     .withIntroSpriteConfigs([
       {
@@ -64,7 +67,7 @@ export const ShadyVitaminDealerEncounter: MysteryEncounter =
     .withOption(
       MysteryEncounterOptionBuilder
         .newOptionWithMode(MysteryEncounterOptionMode.DISABLED_OR_DEFAULT)
-        .withSceneMoneyRequirement(0, 1.5)
+        .withSceneMoneyRequirement(0, VITAMIN_DEALER_CHEAP_PRICE_MULTIPLIER)
         .withDialogue({
           buttonLabel: `${namespace}.option.1.label`,
           buttonTooltip: `${namespace}.option.1.tooltip`,
@@ -115,7 +118,7 @@ export const ShadyVitaminDealerEncounter: MysteryEncounter =
             await applyModifierTypeToPlayerPokemon(scene, chosenPokemon, modType);
           }
 
-          leaveEncounterWithoutBattle(scene);
+          leaveEncounterWithoutBattle(scene, true);
         })
         .withPostOptionPhase(async (scene: BattleScene) => {
           // Damage and status applied after dealer leaves (to make thematic sense)
@@ -142,7 +145,7 @@ export const ShadyVitaminDealerEncounter: MysteryEncounter =
     .withOption(
       MysteryEncounterOptionBuilder
         .newOptionWithMode(MysteryEncounterOptionMode.DISABLED_OR_DEFAULT)
-        .withSceneMoneyRequirement(0, 3.5)
+        .withSceneMoneyRequirement(0, VITAMIN_DEALER_EXPENSIVE_PRICE_MULTIPLIER)
         .withDialogue({
           buttonLabel: `${namespace}.option.2.label`,
           buttonTooltip: `${namespace}.option.2.tooltip`,
@@ -193,7 +196,7 @@ export const ShadyVitaminDealerEncounter: MysteryEncounter =
             await applyModifierTypeToPlayerPokemon(scene, chosenPokemon, modType);
           }
 
-          leaveEncounterWithoutBattle(scene);
+          leaveEncounterWithoutBattle(scene, true);
         })
         .withPostOptionPhase(async (scene: BattleScene) => {
           // Status applied after dealer leaves (to make thematic sense)

src/data/mystery-encounters/encounters/slumbering-snorlax-encounter.ts

@@ -1,22 +1,24 @@
 import { STEALING_MOVES } from "#app/data/mystery-encounters/requirements/requirement-groups";
-import { modifierTypes } from "#app/modifier/modifier-type";
+import { modifierTypes, PokemonHeldItemModifierType } from "#app/modifier/modifier-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import { Species } from "#enums/species";
 import BattleScene from "#app/battle-scene";
 import { StatusEffect } from "#app/data/status-effect";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
-import { MoveRequirement } from "../mystery-encounter-requirements";
+import { MoveRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
-import { EnemyPartyConfig, EnemyPokemonConfig, initBattleWithEnemyConfig, loadCustomMovesForEncounter, leaveEncounterWithoutBattle, setEncounterExp, setEncounterRewards, } from "../utils/encounter-phase-utils";
+import { EnemyPartyConfig, EnemyPokemonConfig, generateModifierType, initBattleWithEnemyConfig, leaveEncounterWithoutBattle, loadCustomMovesForEncounter, setEncounterExp, setEncounterRewards, } from "../utils/encounter-phase-utils";
 import { queueEncounterMessage } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
 import { Moves } from "#enums/moves";
 import { BattlerIndex } from "#app/battle";
-import { PokemonMove } from "#app/field/pokemon";
+import { AiType, PokemonMove } from "#app/field/pokemon";
 import { getPokemonSpecies } from "#app/data/pokemon-species";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { PartyHealPhase } from "#app/phases/party-heal-phase";
 import { CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES } from "#app/game-mode";
+import { BerryType } from "#enums/berry-type";
+import { MysteryEncounterPokemonData } from "#app/data/mystery-encounters/mystery-encounter-pokemon-data";
 
 /** i18n namespace for the encounter */
 const namespace = "mysteryEncounter:slumberingSnorlax";
@@ -38,7 +40,7 @@ export const SlumberingSnorlaxEncounter: MysteryEncounter =
         fileRoot: "pokemon",
         hasShadow: true,
         tint: 0.25,
-        scale: 1.5,
+        scale: 1.25,
         repeat: true,
         y: 5,
       },
@@ -58,10 +60,22 @@ export const SlumberingSnorlaxEncounter: MysteryEncounter =
         species: bossSpecies,
         isBoss: true,
         status: [StatusEffect.SLEEP, 5], // Extra turns on timer for Snorlax's start of fight moves
-        moveSet: [Moves.REST, Moves.SLEEP_TALK, Moves.CRUNCH, Moves.GIGA_IMPACT]
+        moveSet: [Moves.REST, Moves.SLEEP_TALK, Moves.CRUNCH, Moves.GIGA_IMPACT],
+        modifierConfigs: [
+          {
+            modifier: generateModifierType(scene, modifierTypes.BERRY, [BerryType.SITRUS]) as PokemonHeldItemModifierType,
+            stackCount: 2
+          },
+          {
+            modifier: generateModifierType(scene, modifierTypes.BERRY, [BerryType.ENIGMA]) as PokemonHeldItemModifierType,
+            stackCount: 2
+          },
+        ],
+        mysteryEncounterPokemonData: new MysteryEncounterPokemonData({ spriteScale: 1.25 }),
+        aiType: AiType.SMART // Required to ensure Snorlax uses Sleep Talk while it is asleep
       };
       const config: EnemyPartyConfig = {
-        levelAdditiveMultiplier: 0.5,
+        levelAdditiveModifier: 0.5,
         pokemonConfigs: [pokemonConfig],
       };
       encounter.enemyPartyConfigs = [config];

src/data/mystery-encounters/encounters/teleporting-hijinks-encounter.ts

@@ -2,8 +2,8 @@ import { EnemyPartyConfig, generateModifierTypeOption, initBattleWithEnemyConfig
 import { randSeedInt } from "#app/utils";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MoneyRequirement, WaveModulusRequirement } from "../mystery-encounter-requirements";
+import { MoneyRequirement, WaveModulusRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import Pokemon, { EnemyPokemon } from "#app/field/pokemon";
 import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { queueEncounterMessage, showEncounterText } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
@@ -20,12 +20,13 @@ import { getPokemonNameWithAffix } from "#app/messages";
 import { StatStageChangePhase } from "#app/phases/stat-stage-change-phase";
 import { Stat } from "#enums/stat";
 import { CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES } from "#app/game-mode";
+import { getEncounterPokemonLevelForWave, STANDARD_ENCOUNTER_BOOSTED_LEVEL_MODIFIER } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
 
 /** the i18n namespace for this encounter */
 const namespace = "mysteryEncounter:teleportingHijinks";
 
-const MONEY_COST_MULTIPLIER = 2.5;
+const MONEY_COST_MULTIPLIER = 1.75;
-const BIOME_CANDIDATES = [Biome.SPACE, Biome.FAIRY_CAVE, Biome.LABORATORY, Biome.ISLAND];
+const BIOME_CANDIDATES = [Biome.SPACE, Biome.FAIRY_CAVE, Biome.LABORATORY, Biome.ISLAND, Biome.WASTELAND, Biome.DOJO];
 const MACHINE_INTERFACING_TYPES = [Type.ELECTRIC, Type.STEEL];
 
 /**
@@ -130,7 +131,7 @@ export const TeleportingHijinksEncounter: MysteryEncounter =
         const encounter = scene.currentBattle.mysteryEncounter!;
 
         // Init enemy
-        const level = (scene.currentBattle.enemyLevels?.[0] ?? scene.currentBattle.waveIndex) + Math.max(Math.round((scene.currentBattle.waveIndex / 10)), 0);
+        const level = getEncounterPokemonLevelForWave(scene, STANDARD_ENCOUNTER_BOOSTED_LEVEL_MODIFIER);
         const bossSpecies = scene.arena.randomSpecies(scene.currentBattle.waveIndex, level, 0, getPartyLuckValue(scene.getParty()), true);
         const bossPokemon = new EnemyPokemon(scene, bossSpecies, level, TrainerSlot.NONE, true);
         encounter.setDialogueToken("enemyPokemon", getPokemonNameWithAffix(bossPokemon));
@@ -166,7 +167,7 @@ async function doBiomeTransitionDialogueAndBattleInit(scene: BattleScene) {
   await showEncounterText(scene, `${namespace}.attacked`);
 
   // Init enemy
-  const level = (scene.currentBattle.enemyLevels?.[0] ?? scene.currentBattle.waveIndex) + Math.max(Math.round((scene.currentBattle.waveIndex / 10)), 0);
+  const level = getEncounterPokemonLevelForWave(scene, STANDARD_ENCOUNTER_BOOSTED_LEVEL_MODIFIER);
   const bossSpecies = scene.arena.randomSpecies(scene.currentBattle.waveIndex, level, 0, getPartyLuckValue(scene.getParty()), true);
   const bossPokemon = new EnemyPokemon(scene, bossSpecies, level, TrainerSlot.NONE, true);
   encounter.setDialogueToken("enemyPokemon", getPokemonNameWithAffix(bossPokemon));

src/data/mystery-encounters/encounters/the-pokemon-salesman-encounter.ts

@@ -2,8 +2,8 @@ import { leaveEncounterWithoutBattle, transitionMysteryEncounterIntroVisuals, up
 import { isNullOrUndefined, randSeedInt } from "#app/utils";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MoneyRequirement } from "../mystery-encounter-requirements";
+import { MoneyRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import { catchPokemon, getRandomSpeciesByStarterTier, getSpriteKeysFromPokemon } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
 import { getPokemonSpecies, speciesStarters } from "#app/data/pokemon-species";
 import { Species } from "#enums/species";
@@ -15,11 +15,15 @@ import PokemonData from "#app/system/pokemon-data";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES } from "#app/game-mode";
+import { Abilities } from "#enums/abilities";
 
 /** the i18n namespace for this encounter */
 const namespace = "mysteryEncounter:pokemonSalesman";
 
-const MAX_POKEMON_PRICE_MULTIPLIER = 6;
+const MAX_POKEMON_PRICE_MULTIPLIER = 4;
+
+/** Odds of shiny magikarp will be 1/value */
+const SHINY_MAGIKARP_WEIGHT = 100;
 
 /**
  * Pokemon Salesman encounter.
@@ -58,12 +62,12 @@ export const ThePokemonSalesmanEncounter: MysteryEncounter =
       const tries = 0;
 
       // Reroll any species that don't have HAs
-      while (isNullOrUndefined(species.abilityHidden) && tries < 5) {
+      while ((isNullOrUndefined(species.abilityHidden) || species.abilityHidden === Abilities.NONE) && tries < 5) {
         species = getPokemonSpecies(getRandomSpeciesByStarterTier([0, 5]));
       }
 
       let pokemon: PlayerPokemon;
-      if (isNullOrUndefined(species.abilityHidden) || randSeedInt(100) === 0) {
+      if (randSeedInt(SHINY_MAGIKARP_WEIGHT) === 0 || isNullOrUndefined(species.abilityHidden) || species.abilityHidden === Abilities.NONE) {
         // If no HA mon found or you roll 1%, give shiny Magikarp
         species = getPokemonSpecies(Species.MAGIKARP);
         const hiddenIndex = species.ability2 ? 2 : 1;

src/data/mystery-encounters/encounters/the-strong-stuff-encounter.ts

@@ -2,7 +2,7 @@ import { EnemyPartyConfig, initBattleWithEnemyConfig, loadCustomMovesForEncounte
 import { modifierTypes, PokemonHeldItemModifierType, } from "#app/modifier/modifier-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import { getPokemonSpecies } from "#app/data/pokemon-species";
 import { Species } from "#enums/species";
 import { Nature } from "#app/data/nature";
@@ -36,6 +36,7 @@ export const TheStrongStuffEncounter: MysteryEncounter =
     .withEncounterTier(MysteryEncounterTier.GREAT)
     .withSceneWaveRangeRequirement(...CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES)
     .withScenePartySizeRequirement(3, 6) // Must have at least 3 pokemon in party
+    .withMaxAllowedEncounters(1)
     .withHideWildIntroMessage(true)
     .withAutoHideIntroVisuals(false)
     .withIntroSpriteConfigs([
@@ -70,7 +71,7 @@ export const TheStrongStuffEncounter: MysteryEncounter =
 
       // Calculate boss mon
       const config: EnemyPartyConfig = {
-        levelAdditiveMultiplier: 1,
+        levelAdditiveModifier: 1,
         disableSwitch: true,
         pokemonConfigs: [
           {
@@ -159,6 +160,11 @@ export const TheStrongStuffEncounter: MysteryEncounter =
         encounter.setDialogueToken("increaseValue", BST_INCREASE_VALUE.toString());
         await showEncounterText(scene, `${namespace}.option.1.selected_2`, null, undefined, true);
 
+        encounter.dialogue.outro = [
+          {
+            text: `${namespace}.outro`,
+          }
+        ];
         setEncounterRewards(scene, { fillRemaining: true });
         leaveEncounterWithoutBattle(scene, true);
         return true;
@@ -192,6 +198,7 @@ export const TheStrongStuffEncounter: MysteryEncounter =
             ignorePp: true
           });
 
+        encounter.dialogue.outro = [];
         transitionMysteryEncounterIntroVisuals(scene, true, true, 500);
         await initBattleWithEnemyConfig(scene, encounter.enemyPartyConfigs[0]);
       }

src/data/mystery-encounters/encounters/the-winstrate-challenge-encounter.ts

@@ -2,7 +2,7 @@ import { EnemyPartyConfig, generateModifierType, generateModifierTypeOption, ini
 import { modifierTypes, PokemonHeldItemModifierType } from "#app/modifier/modifier-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { TrainerType } from "#enums/trainer-type";
 import { Species } from "#enums/species";
@@ -146,7 +146,7 @@ async function spawnNextTrainerOrEndEncounter(scene: BattleScene) {
 
     // Give 10x Voucher
     const newModifier = modifierTypes.VOUCHER_PREMIUM().newModifier();
-    scene.addModifier(newModifier);
+    await scene.addModifier(newModifier);
     scene.playSound("item_fanfare");
     await showEncounterText(scene, i18next.t("battle:rewardGain", { modifierName: newModifier?.type.name }));
 

src/data/mystery-encounters/encounters/training-session-encounter.ts

@@ -3,7 +3,7 @@ import { EnemyPartyConfig, initBattleWithEnemyConfig, leaveEncounterWithoutBattl
 import { getNatureName, Nature } from "#app/data/nature";
 import { speciesStarters } from "#app/data/pokemon-species";
 import Pokemon, { PlayerPokemon } from "#app/field/pokemon";
-import { PokemonFormChangeItemModifier, PokemonHeldItemModifier } from "#app/modifier/modifier";
+import { PokemonHeldItemModifier } from "#app/modifier/modifier";
 import { AbilityAttr } from "#app/system/game-data";
 import PokemonData from "#app/system/pokemon-data";
 import { OptionSelectItem } from "#app/ui/abstact-option-select-ui-handler";
@@ -11,8 +11,8 @@ import { isNullOrUndefined, randSeedShuffle } from "#app/utils";
 import { BattlerTagType } from "#enums/battler-tag-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { getEncounterText, queueEncounterMessage, showEncounterText } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
@@ -34,6 +34,7 @@ export const TrainingSessionEncounter: MysteryEncounter =
     .withEncounterTier(MysteryEncounterTier.ULTRA)
     .withSceneWaveRangeRequirement(...CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES)
     .withScenePartySizeRequirement(2, 6, true) // Must have at least 2 unfainted pokemon in party
+    .withFleeAllowed(false)
     .withHideWildIntroMessage(true)
     .withIntroSpriteConfigs([
       {
@@ -97,12 +98,7 @@ export const TrainingSessionEncounter: MysteryEncounter =
             5
           );
           const modifiers = new ModifiersHolder();
-          const config = getEnemyConfig(
+          const config = getEnemyConfig(scene, playerPokemon, segments, modifiers);
-            scene,
-            playerPokemon,
-            segments,
-            modifiers
-          );
           scene.removePokemonFromPlayerParty(playerPokemon, false);
 
           const onBeforeRewardsPhase = () => {
@@ -163,6 +159,7 @@ export const TrainingSessionEncounter: MysteryEncounter =
             // Add pokemon and mods back
             scene.getParty().push(playerPokemon);
             for (const mod of modifiers.value) {
+              mod.pokemonId = playerPokemon.id;
               scene.addModifier(mod, true, false, false, true);
             }
             scene.updateModifiers(true);
@@ -230,17 +227,9 @@ export const TrainingSessionEncounter: MysteryEncounter =
 
           // Spawn medium training session with chosen pokemon
           // Every 40 waves, add +1 boss segment, capping at 6
-          const segments = Math.min(
+          const segments = Math.min(2 + Math.floor(scene.currentBattle.waveIndex / 40), 6);
-            2 + Math.floor(scene.currentBattle.waveIndex / 40),
-            6
-          );
           const modifiers = new ModifiersHolder();
-          const config = getEnemyConfig(
+          const config = getEnemyConfig(scene, playerPokemon, segments, modifiers);
-            scene,
-            playerPokemon,
-            segments,
-            modifiers
-          );
           scene.removePokemonFromPlayerParty(playerPokemon, false);
 
           const onBeforeRewardsPhase = () => {
@@ -377,6 +366,7 @@ export const TrainingSessionEncounter: MysteryEncounter =
             // Add pokemon and mods back
             scene.getParty().push(playerPokemon);
             for (const mod of modifiers.value) {
+              mod.pokemonId = playerPokemon.id;
               scene.addModifier(mod, true, false, false, true);
             }
             scene.updateModifiers(true);
@@ -410,10 +400,12 @@ function getEnemyConfig(scene: BattleScene, playerPokemon: PlayerPokemon, segmen
   playerPokemon.resetSummonData();
 
   // Passes modifiers by reference
-  modifiers.value = playerPokemon.getHeldItems().filter(m => !(m instanceof PokemonFormChangeItemModifier));
+  modifiers.value = playerPokemon.getHeldItems();
   const modifierConfigs = modifiers.value.map((mod) => {
     return {
-      modifier: mod
+      modifier: mod.clone(),
+      isTransferable: false,
+      stackCount: mod.stackCount
     };
   }) as HeldModifierConfig[];
 

src/data/mystery-encounters/encounters/trash-to-treasure-encounter.ts

@@ -2,8 +2,8 @@ import { EnemyPartyConfig, EnemyPokemonConfig, generateModifierType, initBattleW
 import { modifierTypes, PokemonHeldItemModifierType } from "#app/modifier/modifier-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { Species } from "#enums/species";
@@ -67,7 +67,7 @@ export const TrashToTreasureEncounter: MysteryEncounter =
         moveSet: [Moves.PAYBACK, Moves.GUNK_SHOT, Moves.STOMPING_TANTRUM, Moves.DRAIN_PUNCH]
       };
       const config: EnemyPartyConfig = {
-        levelAdditiveMultiplier: 1,
+        levelAdditiveModifier: 1,
         pokemonConfigs: [pokemonConfig],
         disableSwitch: true
       };

src/data/mystery-encounters/encounters/uncommon-breed-encounter.ts

@@ -5,8 +5,8 @@ import Pokemon, { EnemyPokemon, PokemonMove } from "#app/field/pokemon";
 import { getPartyLuckValue } from "#app/modifier/modifier-type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MoveRequirement, PersistentModifierRequirement } from "../mystery-encounter-requirements";
+import { MoveRequirement, PersistentModifierRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { TrainerSlot } from "#app/data/trainer-config";

src/data/mystery-encounters/encounters/weird-dream-encounter.ts

@@ -2,8 +2,8 @@ import { Type } from "#app/data/type";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
 import { Species } from "#enums/species";
 import BattleScene from "#app/battle-scene";
-import MysteryEncounter, { MysteryEncounterBuilder } from "../mystery-encounter";
+import MysteryEncounter, { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
-import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
+import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { leaveEncounterWithoutBattle, setEncounterRewards, } from "../utils/encounter-phase-utils";
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
@@ -14,7 +14,7 @@ import { HiddenAbilityRateBoosterModifier, PokemonFormChangeItemModifier, Pokemo
 import { achvs } from "#app/system/achv";
 import { speciesEggMoves } from "#app/data/egg-moves";
 import { MysteryEncounterPokemonData } from "#app/data/mystery-encounters/mystery-encounter-pokemon-data";
-import { queueEncounterMessage, showEncounterText } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
+import { showEncounterText } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
 import { modifierTypes } from "#app/modifier/modifier-type";
 import i18next from "#app/plugins/i18n";
 import { doPokemonTransformationSequence, TransformationScreenPosition } from "#app/data/mystery-encounters/utils/encounter-transformation-sequence";
@@ -130,12 +130,7 @@ export const WeirdDreamEncounter: MysteryEncounter =
       return true;
     })
     .withOnVisualsStart((scene: BattleScene) => {
-      // Change the bgm
+      scene.fadeAndSwitchBgm("mystery_encounter_weird_dream");
-      scene.fadeOutBgm(3000, false);
-      scene.time.delayedCall(3000, () => {
-        scene.playBgm("mystery_encounter_weird_dream");
-      });
-
       return true;
     })
     .withOption(
@@ -340,7 +335,7 @@ async function doNewTeamPostProcess(scene: BattleScene, transformations: Pokemon
       const newStarterUnlocked = await scene.gameData.setPokemonCaught(newPokemon, true, false, false);
       if (newStarterUnlocked) {
         atLeastOneNewStarter = true;
-        queueEncounterMessage(scene, i18next.t("battle:addedAsAStarter", { pokemonName: getPokemonSpecies(speciesRootForm).getName() }));
+        await showEncounterText(scene, i18next.t("battle:addedAsAStarter", { pokemonName: getPokemonSpecies(speciesRootForm).getName() }));
       }
     }
 

src/data/mystery-encounters/mystery-encounter-option.ts

@@ -3,7 +3,7 @@ import { Moves } from "#app/enums/moves";
 import Pokemon, { PlayerPokemon } from "#app/field/pokemon";
 import BattleScene from "#app/battle-scene";
 import { Type } from "../type";
-import { EncounterPokemonRequirement, EncounterSceneRequirement, MoneyRequirement, TypeRequirement } from "./mystery-encounter-requirements";
+import { EncounterPokemonRequirement, EncounterSceneRequirement, MoneyRequirement, TypeRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 import { CanLearnMoveRequirement, CanLearnMoveRequirementOptions } from "./requirements/can-learn-move-requirement";
 import { isNullOrUndefined, randSeedInt } from "#app/utils";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";

src/data/mystery-encounters/mystery-encounter.ts

@@ -25,6 +25,9 @@ export interface EncounterStartOfBattleEffect {
   followUp?: boolean;
 }
 
+const DEFAULT_MAX_ALLOWED_ENCOUNTERS = 2;
+const DEFAULT_MAX_ALLOWED_ROGUE_ENCOUNTERS = 1;
+
 /**
  * Used by {@linkcode MysteryEncounterBuilder} class to define required/optional properties on the {@linkcode MysteryEncounter} class when building.
  *
@@ -42,6 +45,7 @@ export interface IMysteryEncounter {
   autoHideIntroVisuals: boolean;
   enterIntroVisualsFromRight: boolean;
   catchAllowed: boolean;
+  fleeAllowed: boolean;
   continuousEncounter: boolean;
   maxAllowedEncounters: number;
   hasBattleAnimationsWithoutTargets: boolean;
@@ -110,6 +114,11 @@ export default class MysteryEncounter implements IMysteryEncounter {
    * Default false
    */
   catchAllowed: boolean;
+  /**
+   * If true, allows fleeing from a wild encounter (trainer battle MEs auto-disable fleeing)
+   * Default true
+   */
+  fleeAllowed: boolean;
   /**
    * If true, encounter will continuously run through multiple battles/puzzles/etc. instead of going to next wave
    * MUST EVENTUALLY BE DISABLED TO CONTINUE TO NEXT WAVE
@@ -246,8 +255,8 @@ export default class MysteryEncounter implements IMysteryEncounter {
     this.encounterTier = this.encounterTier ?? MysteryEncounterTier.COMMON;
     this.dialogue = this.dialogue ?? {};
     this.spriteConfigs = this.spriteConfigs ? [...this.spriteConfigs] : [];
-    // Default max is 1 for ROGUE encounters, 3 for others
+    // Default max is 1 for ROGUE encounters, 2 for others
-    this.maxAllowedEncounters = this.maxAllowedEncounters ?? this.encounterTier === MysteryEncounterTier.ROGUE ? 1 : 3;
+    this.maxAllowedEncounters = this.maxAllowedEncounters ?? this.encounterTier === MysteryEncounterTier.ROGUE ? DEFAULT_MAX_ALLOWED_ROGUE_ENCOUNTERS : DEFAULT_MAX_ALLOWED_ENCOUNTERS;
     this.encounterMode = MysteryEncounterMode.DEFAULT;
     this.requirements = this.requirements ? this.requirements : [];
     this.hideBattleIntroMessage = this.hideBattleIntroMessage ?? false;
@@ -520,6 +529,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
   enterIntroVisualsFromRight: boolean = false;
   continuousEncounter: boolean = false;
   catchAllowed: boolean = false;
+  fleeAllowed: boolean = true;
   lockEncounterRewardTiers: boolean = false;
   startOfBattleEffectsComplete: boolean = false;
   hasBattleAnimationsWithoutTargets: boolean = false;
@@ -580,8 +590,8 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
    * There should be at least 2 options defined and no more than 4.
    * If complex use {@linkcode MysteryEncounterBuilder.withOption}
    *
-   * @param dialogue - {@linkcode OptionTextDisplay}
+   * @param dialogue {@linkcode OptionTextDisplay}
-   * @param callback - {@linkcode OptionPhaseCallback}
+   * @param callback {@linkcode OptionPhaseCallback}
    * @returns
    */
   withSimpleDexProgressOption(dialogue: OptionTextDisplay, callback: OptionPhaseCallback): this & Pick<IMysteryEncounter, "options"> {
@@ -732,7 +742,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
    *
    * @param min min wave (or exact size if only min is given)
    * @param max optional max size. If not given, defaults to min => exact wave
-   * @param excludeFainted - if true, only counts unfainted mons
+   * @param excludeFainted if true, only counts unfainted mons
    * @returns
    */
   withScenePartySizeRequirement(min: number, max?: number, excludeFainted: boolean = false): this & Required<Pick<IMysteryEncounter, "requirements">> {
@@ -798,7 +808,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
    * NOTE: If rewards are dependent on options selected, runtime data, etc.,
    * It may be better to programmatically set doEncounterRewards elsewhere.
    * There is a helper function in mystery-encounter utils, setEncounterRewards(), which can be called programmatically to set rewards
-   * @param doEncounterRewards - synchronous callback function to perform during rewards phase of the encounter
+   * @param doEncounterRewards Synchronous callback function to perform during rewards phase of the encounter
    * @returns
    */
   withRewards(doEncounterRewards: (scene: BattleScene) => boolean): this & Required<Pick<IMysteryEncounter, "doEncounterRewards">> {
@@ -812,7 +822,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
    * NOTE: If rewards are dependent on options selected, runtime data, etc.,
    * It may be better to programmatically set doEncounterExp elsewhere.
    * There is a helper function in mystery-encounter utils, setEncounterExp(), which can be called programmatically to set rewards
-   * @param doEncounterExp - synchronous callback function to perform during rewards phase of the encounter
+   * @param doEncounterExp Synchronous callback function to perform during rewards phase of the encounter
    * @returns
    */
   withExp(doEncounterExp: (scene: BattleScene) => boolean): this & Required<Pick<IMysteryEncounter, "doEncounterExp">> {
@@ -823,7 +833,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
    * Can be used to perform init logic before intro visuals are shown and before the MysteryEncounterPhase begins
    * Useful for performing things like procedural generation of intro sprites, etc.
    *
-   * @param onInit - synchronous callback function to perform as soon as the encounter is selected for the next phase
+   * @param onInit Synchronous callback function to perform as soon as the encounter is selected for the next phase
    * @returns
    */
   withOnInit(onInit: (scene: BattleScene) => boolean): this & Required<Pick<IMysteryEncounter, "onInit">> {
@@ -833,7 +843,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
   /**
    * Can be used to perform some extra logic (usually animations) when the enemy field is finished sliding in
    *
-   * @param onVisualsStart - synchronous callback function to perform as soon as the enemy field finishes sliding in
+   * @param onVisualsStart Synchronous callback function to perform as soon as the enemy field finishes sliding in
    * @returns
    */
   withOnVisualsStart(onVisualsStart: (scene: BattleScene) => boolean): this & Required<Pick<IMysteryEncounter, "onVisualsStart">> {
@@ -843,7 +853,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
   /**
    * Can set whether catching is allowed or not on the encounter
    * This flag can also be programmatically set inside option event functions or elsewhere
-   * @param catchAllowed - if true, allows enemy pokemon to be caught during the encounter
+   * @param catchAllowed If `true`, allows enemy pokemon to be caught during the encounter
    * @returns
    */
   withCatchAllowed(catchAllowed: boolean): this & Required<Pick<IMysteryEncounter, "catchAllowed">> {
@@ -851,7 +861,16 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
   }
 
   /**
-   * @param hideBattleIntroMessage - if true, will not show the trainerAppeared/wildAppeared/bossAppeared message for an encounter
+   * Can set whether fleeing is allowed or not on the encounter
+   * @param fleeAllowed If `false`, prevents fleeing from a wild battle (trainer battle MEs already have flee disabled)
+   * @returns
+   */
+  withFleeAllowed(fleeAllowed: boolean): this & Required<Pick<IMysteryEncounter, "fleeAllowed">> {
+    return Object.assign(this, { fleeAllowed });
+  }
+
+  /**
+   * @param hideBattleIntroMessage If `true`, will not show the trainerAppeared/wildAppeared/bossAppeared message for an encounter
    * @returns
    */
   withHideWildIntroMessage(hideBattleIntroMessage: boolean): this & Required<Pick<IMysteryEncounter, "hideBattleIntroMessage">> {
@@ -859,7 +878,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
   }
 
   /**
-   * @param autoHideIntroVisuals - if false, will not hide the intro visuals that are displayed at the beginning of encounter
+   * @param autoHideIntroVisuals If `false`, will not hide the intro visuals that are displayed at the beginning of encounter
    * @returns
    */
   withAutoHideIntroVisuals(autoHideIntroVisuals: boolean): this & Required<Pick<IMysteryEncounter, "autoHideIntroVisuals">> {
@@ -867,7 +886,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
   }
 
   /**
-   * @param enterIntroVisualsFromRight - If true, will slide in intro visuals from the right side of the screen. If false, slides in from left, as normal
+   * @param enterIntroVisualsFromRight If `true`, will slide in intro visuals from the right side of the screen. If false, slides in from left, as normal
    * Default false
    * @returns
    */
@@ -878,7 +897,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
   /**
    * Add a title for the encounter
    *
-   * @param title - title of the encounter
+   * @param title Title of the encounter
    * @returns
    */
   withTitle(title: string): this {
@@ -898,7 +917,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
   /**
    * Add a description of the encounter
    *
-   * @param description - description of the encounter
+   * @param description Description of the encounter
    * @returns
    */
   withDescription(description: string): this {
@@ -918,7 +937,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
   /**
    * Add a query for the encounter
    *
-   * @param query - query to use for the encounter
+   * @param query Query to use for the encounter
    * @returns
    */
   withQuery(query: string): this {
@@ -938,7 +957,7 @@ export class MysteryEncounterBuilder implements Partial<IMysteryEncounter> {
   /**
    * Add outro dialogue/s for the encounter
    *
-   * @param dialogue - outro dialogue/s
+   * @param dialogue Outro dialogue(s)
    * @returns
    */
   withOutroDialogue(dialogue: MysteryEncounterDialogue["outro"] = []): this {

src/data/mystery-encounters/requirements/can-learn-move-requirement.ts

@@ -2,7 +2,7 @@ import BattleScene from "#app/battle-scene";
 import { Moves } from "#app/enums/moves";
 import { PlayerPokemon, PokemonMove } from "#app/field/pokemon";
 import { isNullOrUndefined } from "#app/utils";
-import { EncounterPokemonRequirement } from "../mystery-encounter-requirements";
+import { EncounterPokemonRequirement } from "#app/data/mystery-encounters/mystery-encounter-requirements";
 
 /**
  * {@linkcode CanLearnMoveRequirement} options

src/data/mystery-encounters/utils/encounter-phase-utils.ts

@@ -3,7 +3,7 @@ import { biomeLinks, BiomePoolTier } from "#app/data/biomes";
 import MysteryEncounterOption from "#app/data/mystery-encounters/mystery-encounter-option";
 import { AVERAGE_ENCOUNTERS_PER_RUN_TARGET, WEIGHT_INCREMENT_ON_SPAWN_MISS } from "#app/data/mystery-encounters/mystery-encounters";
 import { showEncounterText } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
-import Pokemon, { FieldPosition, PlayerPokemon, PokemonMove, PokemonSummonData } from "#app/field/pokemon";
+import Pokemon, { AiType, FieldPosition, PlayerPokemon, PokemonMove, PokemonSummonData } from "#app/field/pokemon";
 import { CustomModifierSettings, ModifierPoolType, ModifierType, ModifierTypeGenerator, ModifierTypeOption, modifierTypes, regenerateModifierPoolThresholds } from "#app/modifier/modifier-type";
 import { MysteryEncounterBattlePhase, MysteryEncounterBattleStartCleanupPhase, MysteryEncounterPhase, MysteryEncounterRewardsPhase } from "#app/phases/mystery-encounter-phases";
 import PokemonData from "#app/system/pokemon-data";
@@ -85,21 +85,24 @@ export interface EnemyPokemonConfig {
   modifierConfigs?: HeldModifierConfig[];
   tags?: BattlerTagType[];
   dataSource?: PokemonData;
+  aiType?: AiType;
 }
 
 export interface EnemyPartyConfig {
-  /** Formula for enemy: level += waveIndex / 10 * levelAdditive */
+  /** Formula for enemy level: level += waveIndex / 10 * levelAdditiveModifier */
-  levelAdditiveMultiplier?: number;
+  levelAdditiveModifier?: number;
   doubleBattle?: boolean;
   /** Generates trainer battle solely off trainer type */
   trainerType?: TrainerType;
   /** More customizable option for configuring trainer battle */
   trainerConfig?: TrainerConfig;
   pokemonConfigs?: EnemyPokemonConfig[];
-  /** True for female trainer, false for male */
+  /** `true` for female trainer, false for male */
   female?: boolean;
-  /** True will prevent player from switching */
+  /** `true` will prevent player from switching */
   disableSwitch?: boolean;
+  /** `true` or leaving undefined will increment dex seen count for the encounter battle, `false` will not */
+  countAsSeen?: boolean;
 }
 
 /**
@@ -156,10 +159,10 @@ export async function initBattleWithEnemyConfig(scene: BattleScene, partyConfig:
 
   // ME levels are modified by an additive value that scales with wave index
   // Base scaling: Every 10 waves, modifier gets +1 level
-  // This can be amplified or counteracted by setting levelAdditiveMultiplier in config
+  // This can be amplified or counteracted by setting levelAdditiveModifier in config
-  // levelAdditiveMultiplier value of 0.5 will halve the modifier scaling, 2 will double it, etc.
+  // levelAdditiveModifier value of 0.5 will halve the modifier scaling, 2 will double it, etc.
   // Leaving null/undefined will disable level scaling
-  const mult: number = !isNullOrUndefined(partyConfig.levelAdditiveMultiplier) ? partyConfig.levelAdditiveMultiplier! : 0;
+  const mult: number = !isNullOrUndefined(partyConfig.levelAdditiveModifier) ? partyConfig.levelAdditiveModifier! : 0;
   const additive = Math.max(Math.round((scene.currentBattle.waveIndex / 10) * mult), 0);
   battle.enemyLevels = battle.enemyLevels.map(level => level + additive);
 
@@ -210,7 +213,7 @@ export async function initBattleWithEnemyConfig(scene: BattleScene, partyConfig:
       enemyPokemon.resetSummonData();
     }
 
-    if (!loaded) {
+    if (!loaded && isNullOrUndefined(partyConfig.countAsSeen) || partyConfig.countAsSeen) {
       scene.gameData.setPokemonSeen(enemyPokemon, true, !!(trainerType || trainerConfig));
     }
 
@@ -286,6 +289,11 @@ export async function initBattleWithEnemyConfig(scene: BattleScene, partyConfig:
         enemyPokemon.summonData.gender = config.gender!;
       }
 
+      // Set AI type
+      if (!isNullOrUndefined(config.aiType)) {
+        enemyPokemon.aiType = config.aiType!;
+      }
+
       // Set moves
       if (config?.moveSet && config.moveSet.length > 0) {
         const moves = config.moveSet.map(m => new PokemonMove(m));
@@ -702,19 +710,19 @@ export function handleMysteryEncounterVictory(scene: BattleScene, addHealPhase:
   if (encounter.continuousEncounter || doNotContinue) {
     return;
   } else if (encounter.encounterMode === MysteryEncounterMode.NO_BATTLE) {
-    scene.pushPhase(new EggLapsePhase(scene));
     scene.pushPhase(new MysteryEncounterRewardsPhase(scene, addHealPhase));
+    scene.pushPhase(new EggLapsePhase(scene));
   } else if (!scene.getEnemyParty().find(p => encounter.encounterMode !== MysteryEncounterMode.TRAINER_BATTLE ? p.isOnField() : !p?.isFainted(true))) {
     scene.pushPhase(new BattleEndPhase(scene));
     if (encounter.encounterMode === MysteryEncounterMode.TRAINER_BATTLE) {
       scene.pushPhase(new TrainerVictoryPhase(scene));
     }
     if (scene.gameMode.isEndless || !scene.gameMode.isWaveFinal(scene.currentBattle.waveIndex)) {
+      scene.pushPhase(new MysteryEncounterRewardsPhase(scene, addHealPhase));
       if (!encounter.doContinueEncounter) {
         // Only lapse eggs once for multi-battle encounters
         scene.pushPhase(new EggLapsePhase(scene));
       }
-      scene.pushPhase(new MysteryEncounterRewardsPhase(scene, addHealPhase));
     }
   }
 }

src/data/mystery-encounters/utils/encounter-pokemon-utils.ts

@@ -19,6 +19,10 @@ import { modifierTypes, PokemonHeldItemModifierType } from "#app/modifier/modifi
 import { Gender } from "#app/data/gender";
 import { PermanentStat } from "#enums/stat";
 import { VictoryPhase } from "#app/phases/victory-phase";
+import { SummaryUiMode } from "#app/ui/summary-ui-handler";
+
+/** Will give +1 level every 10 waves */
+export const STANDARD_ENCOUNTER_BOOSTED_LEVEL_MODIFIER = 1;
 
 /**
  * Gets the sprite key and file root for a given PokemonSpecies (accounts for gender, shiny, variants, forms, and experimental)
@@ -289,10 +293,12 @@ export async function modifyPlayerPokemonBST(pokemon: PlayerPokemon, value: numb
  */
 export async function applyModifierTypeToPlayerPokemon(scene: BattleScene, pokemon: PlayerPokemon, modType: PokemonHeldItemModifierType, fallbackModifierType?: PokemonHeldItemModifierType) {
   // Check if the Pokemon has max stacks of that item already
+  const modifier = modType.newModifier(pokemon);
   const existing = scene.findModifier(m => (
     m instanceof PokemonHeldItemModifier &&
     m.type.id === modType.id &&
-    m.pokemonId === pokemon.id
+    m.pokemonId === pokemon.id &&
+    m.matchType(modifier)
   )) as PokemonHeldItemModifier;
 
   // At max stacks
@@ -305,7 +311,6 @@ export async function applyModifierTypeToPlayerPokemon(scene: BattleScene, pokem
     return applyModifierTypeToPlayerPokemon(scene, pokemon, fallbackModifierType);
   }
 
-  const modifier = modType.newModifier(pokemon);
   await scene.addModifier(modifier, false, false, false, true);
 }
 
@@ -327,7 +332,7 @@ export function trainerThrowPokeball(scene: BattleScene, pokemon: EnemyPokemon,
     const _3m = 3 * pokemon.getMaxHp();
     const _2h = 2 * pokemon.hp;
     const catchRate = pokemon.species.catchRate;
-    const pokeballMultiplier = getPokeballCatchMultiplier(this.pokeballType);
+    const pokeballMultiplier = getPokeballCatchMultiplier(pokeballType);
     const statusMultiplier = pokemon.status ? getStatusEffectCatchRateMultiplier(pokemon.status.effect) : 1;
     const x = Math.round((((_3m - _2h) * catchRate * pokeballMultiplier) / _3m) * statusMultiplier);
     ballTwitchRate = Math.round(65536 / Math.sqrt(Math.sqrt(255 / x)));
@@ -501,8 +506,6 @@ function failCatch(scene: BattleScene, pokemon: EnemyPokemon, originalY: number,
  * @param isObtain
  */
 export async function catchPokemon(scene: BattleScene, pokemon: EnemyPokemon, pokeball: Phaser.GameObjects.Sprite | null, pokeballType: PokeballType, showCatchObtainMessage: boolean = true, isObtain: boolean = false): Promise<void> {
-  scene.unshiftPhase(new VictoryPhase(scene, pokemon.id, true));
-
   const speciesForm = !pokemon.fusionSpecies ? pokemon.getSpeciesForm() : pokemon.getFusionSpeciesForm();
 
   if (speciesForm.abilityHidden && (pokemon.fusionSpecies ? pokemon.fusionAbilityIndex : pokemon.abilityIndex) === speciesForm.getAbilityCount() - 1) {
@@ -528,6 +531,11 @@ export async function catchPokemon(scene: BattleScene, pokemon: EnemyPokemon, po
   return new Promise(resolve => {
     const doPokemonCatchMenu = () => {
       const end = () => {
+        // Ensure the pokemon is in the enemy party in all situations
+        if (!scene.getEnemyParty().some(p => p.id === pokemon.id)) {
+          scene.getEnemyParty().push(pokemon);
+        }
+        scene.unshiftPhase(new VictoryPhase(scene, pokemon.id, true));
         scene.pokemonInfoContainer.hide();
         if (pokeball) {
           removePb(scene, pokeball);
@@ -539,8 +547,8 @@ export async function catchPokemon(scene: BattleScene, pokemon: EnemyPokemon, po
           scene.field.remove(pokemon, true);
         }
       };
-      const addToParty = () => {
+      const addToParty = (slotIndex?: number) => {
-        const newPokemon = pokemon.addToParty(pokeballType);
+        const newPokemon = pokemon.addToParty(pokeballType, slotIndex);
         const modifiers = scene.findModifiers(m => m instanceof PokemonHeldItemModifier, false);
         if (scene.getParty().filter(p => p.isShiny()).length === 6) {
           scene.validateAchv(achvs.SHINY_PARTY);
@@ -559,12 +567,19 @@ export async function catchPokemon(scene: BattleScene, pokemon: EnemyPokemon, po
         if (scene.getParty().length === 6) {
           const promptRelease = () => {
             scene.ui.showText(i18next.t("battle:partyFull", { pokemonName: pokemon.getNameToRender() }), null, () => {
-              scene.pokemonInfoContainer.makeRoomForConfirmUi();
+              scene.pokemonInfoContainer.makeRoomForConfirmUi(1, true);
               scene.ui.setMode(Mode.CONFIRM, () => {
-                scene.ui.setMode(Mode.PARTY, PartyUiMode.RELEASE, 0, (slotIndex: number, _option: PartyOption) => {
+                const newPokemon = scene.addPlayerPokemon(pokemon.species, pokemon.level, pokemon.abilityIndex, pokemon.formIndex, pokemon.gender, pokemon.shiny, pokemon.variant, pokemon.ivs, pokemon.nature, pokemon);
+                scene.ui.setMode(Mode.SUMMARY, newPokemon, 0, SummaryUiMode.DEFAULT, () => {
+                  scene.ui.setMode(Mode.MESSAGE).then(() => {
+                    promptRelease();
+                  });
+                }, false);
+              }, () => {
+                scene.ui.setMode(Mode.PARTY, PartyUiMode.RELEASE, 0, (slotIndex: integer, _option: PartyOption) => {
                   scene.ui.setMode(Mode.MESSAGE).then(() => {
                     if (slotIndex < 6) {
-                      addToParty();
+                      addToParty(slotIndex);
                     } else {
                       promptRelease();
                     }
@@ -575,7 +590,7 @@ export async function catchPokemon(scene: BattleScene, pokemon: EnemyPokemon, po
                   removePokemon();
                   end();
                 });
-              });
+              }, "fullParty");
             });
           };
           promptRelease();
@@ -711,13 +726,50 @@ export function getGoldenBugNetSpecies(): PokemonSpecies {
   const roll = randSeedInt(totalWeight);
 
   let w = 0;
-  for (const species of GOLDEN_BUG_NET_SPECIES_POOL) {
+  for (const speciesWeightPair of GOLDEN_BUG_NET_SPECIES_POOL) {
-    w += species[1];
+    w += speciesWeightPair[1];
     if (roll < w) {
-      return getPokemonSpecies(species);
+      return getPokemonSpecies(speciesWeightPair[0]);
     }
   }
 
   // Defaults to Scyther
   return getPokemonSpecies(Species.SCYTHER);
 }
+
+/**
+ * Generates a Pokemon level for a given wave, with an option to increase/decrease by a scaling modifier
+ * @param scene
+ * @param levelAdditiveModifier Default 0. will add +(1 level / 10 waves * levelAdditiveModifier) to the level calculation
+ */
+export function getEncounterPokemonLevelForWave(scene: BattleScene, levelAdditiveModifier: number = 0) {
+  const currentBattle = scene.currentBattle;
+  // Default to use the first generated level from enemyLevels, or generate a new one if it DNE
+  const baseLevel = currentBattle.enemyLevels && currentBattle.enemyLevels?.length > 0 ? currentBattle.enemyLevels[0] : currentBattle.getLevelForWave();
+
+  // Add a level scaling modifier that is (+1 level per 10 waves) * levelAdditiveModifier
+  return baseLevel + Math.max(Math.round((currentBattle.waveIndex / 10) * levelAdditiveModifier), 0);
+}
+
+export async function addPokemonDataToDexAndValidateAchievements(scene: BattleScene, pokemon: PlayerPokemon) {
+  const speciesForm = !pokemon.fusionSpecies ? pokemon.getSpeciesForm() : pokemon.getFusionSpeciesForm();
+
+  if (speciesForm.abilityHidden && (pokemon.fusionSpecies ? pokemon.fusionAbilityIndex : pokemon.abilityIndex) === speciesForm.getAbilityCount() - 1) {
+    scene.validateAchv(achvs.HIDDEN_ABILITY);
+  }
+
+  if (pokemon.species.subLegendary) {
+    scene.validateAchv(achvs.CATCH_SUB_LEGENDARY);
+  }
+
+  if (pokemon.species.legendary) {
+    scene.validateAchv(achvs.CATCH_LEGENDARY);
+  }
+
+  if (pokemon.species.mythical) {
+    scene.validateAchv(achvs.CATCH_MYTHICAL);
+  }
+
+  scene.gameData.updateSpeciesDexIvs(pokemon.species.getRootSpeciesId(true), pokemon.ivs);
+  return scene.gameData.setPokemonCaught(pokemon, true, false, false);
+}

src/data/mystery-encounters/utils/encounter-transformation-sequence.ts

@@ -103,7 +103,7 @@ export function doPokemonTransformationSequence(scene: BattleScene, previousPoke
               scene.time.delayedCall(1000, () => {
                 pokemonEvoTintSprite.setScale(0.25);
                 pokemonEvoTintSprite.setVisible(true);
-                doCycle(scene, 2, 6, pokemonTintSprite, pokemonEvoTintSprite).then(() => {
+                doCycle(scene, 1.5, 6, pokemonTintSprite, pokemonEvoTintSprite).then(() => {
                   pokemonEvoSprite.setVisible(true);
                   doCircleInward(scene, transformationBaseBg, transformationContainer, xOffset, yOffset);
 
@@ -115,7 +115,7 @@ export function doPokemonTransformationSequence(scene: BattleScene, previousPoke
                       delay: 150,
                       easing: "Sine.easeIn",
                       onComplete: () => {
-                        scene.time.delayedCall(2500, () => {
+                        scene.time.delayedCall(3000, () => {
                           resolve();
                           scene.tweens.add({
                             targets: pokemonEvoSprite,

src/locales/en/bgm-name.json

@@ -151,5 +151,6 @@
   "mystery_encounter_weird_dream": "PMD EoS Temporal Spire",
   "mystery_encounter_fun_and_games": "PMD EoS Guildmaster Wigglytuff",
   "mystery_encounter_gen_5_gts": "BW GTS",
-  "mystery_encounter_gen_6_gts": "XY GTS"
+  "mystery_encounter_gen_6_gts": "XY GTS",
+  "mystery_encounter_delibirdy": "Firel - DeliDelivery!"
 }

src/locales/en/mystery-encounters/an-offer-you-cant-refuse-dialogue.json

@@ -1,7 +1,7 @@
 {
   "intro": "You're stopped by a rich looking boy.",
   "speaker": "Rich Boy",
-  "intro_dialogue": "Good day to you.$I can't help but notice that your\n{{strongestPokemon}} looks positively divine!$I've always wanted to have a pet like that!$I'd pay you handsomely,\nand also give you this old bauble!",
+  "intro_dialogue": "Good day to you.$I can't help but notice that your\n{{strongestPokemon}} looks positively divine!$I've always wanted to have a Pokémon like that!$I'd pay you handsomely,\nand also give you this old bauble!",
   "title": "An Offer You Can't Refuse",
   "description": "You're being offered a @[TOOLTIP_TITLE]{Shiny Charm} and {{price, money}} for your {{strongestPokemon}}!\n\nIt's an extremely good deal, but can you really bear to part with such a strong team member?",
   "query": "What will you do?",

src/locales/en/mystery-encounters/bug-type-superfan-dialogue.json

@@ -17,9 +17,9 @@
       "disabled_tooltip": "You need at least 1 Bug Type Pokémon on your team to select this.",
       "selected": "You show the trainer all your Bug Type Pokémon...",
       "selected_0_to_1": "Huh? You only have {{numBugTypes}}...$Guess I'm wasting my breath on someone like you...",
-      "selected_2_to_3": "Hey, you've got {{numBugTypes}} Bug Types!\nNot bad.$Here, this might help you on your journey to catch more!",
+      "selected_2_to_3": "Hey, you've got {{numBugTypes}}!\nNot bad.$Here, this might help you on your journey to catch more!",
-      "selected_4_to_5": "What? You have {{numBugTypes}} Bug Types?\nNice!$You're not quite at my level, but I can see shades of myself in you!\n$Take this, my young apprentice!",
+      "selected_4_to_5": "What? You have {{numBugTypes}}?\nNice!$You're not quite at my level, but I can see shades of myself in you!\n$Take this, my young apprentice!",
-      "selected_6": "Whoa! {{numBugTypes}} Bug Types!\n$You must love Bug Types almost as much as I do!$Here, take this as a token of our camaraderie!"
+      "selected_6": "Whoa! {{numBugTypes}}!\n$You must love Bug Types almost as much as I do!$Here, take this as a token of our camaraderie!"
     },
     "3": {
       "label": "Gift a Bug Item",
@@ -34,5 +34,7 @@
   "battle_won": "Your knowledge and skill were perfect at exploiting our weaknesses!$In exchange for the valuable lesson,\nallow me to teach one of your Pokémon a Bug Type Move!",
   "teach_move_prompt": "Select a move to teach a Pokémon.",
   "confirm_no_teach": "You sure you don't want to learn one of these great moves?",
-  "outro": "I see great Bug Pokémon in your future!\nMay our paths cross again!$Bug out!"
+  "outro": "I see great Bug Pokémon in your future!\nMay our paths cross again!$Bug out!",
+  "numBugTypes_one": "{{count}} Bug Type",
+  "numBugTypes_other": "{{count}} Bug Types"
 }

src/modifier/modifier.ts

@@ -600,7 +600,7 @@ export class TerastallizeAccessModifier extends PersistentModifier {
 
 export abstract class PokemonHeldItemModifier extends PersistentModifier {
   public pokemonId: integer;
-  readonly isTransferrable: boolean = true;
+  public isTransferable: boolean = true;
 
   constructor(type: ModifierType, pokemonId: integer, stackCount?: integer) {
     super(type, stackCount);
@@ -699,7 +699,7 @@ export abstract class PokemonHeldItemModifier extends PersistentModifier {
 
 export abstract class LapsingPokemonHeldItemModifier extends PokemonHeldItemModifier {
   protected battlesLeft: integer;
-  readonly isTransferrable: boolean = false;
+  public isTransferable: boolean = false;
 
   constructor(type: ModifierTypes.ModifierType, pokemonId: integer, battlesLeft?: integer, stackCount?: integer) {
     super(type, pokemonId, stackCount);
@@ -736,7 +736,7 @@ export abstract class LapsingPokemonHeldItemModifier extends PokemonHeldItemModi
 
 export class TerastallizeModifier extends LapsingPokemonHeldItemModifier {
   public teraType: Type;
-  readonly isTransferrable: boolean = false;
+  public isTransferable: boolean = false;
 
   constructor(type: ModifierTypes.TerastallizeModifierType, pokemonId: integer, teraType: Type, battlesLeft?: integer, stackCount?: integer) {
     super(type, pokemonId, battlesLeft || 10, stackCount);
@@ -799,7 +799,7 @@ export class TerastallizeModifier extends LapsingPokemonHeldItemModifier {
  */
 export class BaseStatModifier extends PokemonHeldItemModifier {
   protected stat: PermanentStat;
-  readonly isTransferrable: boolean = false;
+  public isTransferable: boolean = false;
 
   constructor(type: ModifierType, pokemonId: integer, stat: PermanentStat, stackCount?: integer) {
     super(type, pokemonId, stackCount);
@@ -843,7 +843,7 @@ export class BaseStatModifier extends PokemonHeldItemModifier {
 export class EvoTrackerModifier extends PokemonHeldItemModifier {
   protected species: Species;
   protected required: integer;
-  readonly isTransferrable: boolean = false;
+  public isTransferable: boolean = false;
 
   constructor(type: ModifierType, pokemonId: integer, species: Species, required: integer, stackCount?: integer) {
     super(type, pokemonId, stackCount);
@@ -880,7 +880,7 @@ export class EvoTrackerModifier extends PokemonHeldItemModifier {
  */
 export class PokemonBaseStatTotalModifier extends PokemonHeldItemModifier {
   private statModifier: integer;
-  readonly isTransferrable: boolean = false;
+  public isTransferable: boolean = false;
 
   constructor(type: ModifierTypes.PokemonBaseStatTotalModifierType, pokemonId: integer, statModifier: integer, stackCount?: integer) {
     super(type, pokemonId, stackCount);
@@ -929,7 +929,7 @@ export class PokemonBaseStatTotalModifier extends PokemonHeldItemModifier {
 export class PokemonBaseStatFlatModifier extends PokemonHeldItemModifier {
   private statModifier: integer;
   private stats: Stat[];
-  readonly isTransferrable: boolean = false;
+  public isTransferable: boolean = false;
 
   constructor (type: ModifierType, pokemonId: integer, statModifier: integer, stats: Stat[], stackCount?: integer) {
     super(type, pokemonId, stackCount);
@@ -979,7 +979,7 @@ export class PokemonBaseStatFlatModifier extends PokemonHeldItemModifier {
  * Currently used by Macho Brace item
  */
 export class PokemonIncrementingStatModifier extends PokemonHeldItemModifier {
-  readonly isTransferrable: boolean = false;
+  public isTransferable: boolean = false;
 
   constructor (type: ModifierType, pokemonId: integer, stackCount?: integer) {
     super(type, pokemonId, stackCount);
@@ -2346,7 +2346,7 @@ export class PokemonMultiHitModifier extends PokemonHeldItemModifier {
 export class PokemonFormChangeItemModifier extends PokemonHeldItemModifier {
   public formChangeItem: FormChangeItem;
   public active: boolean;
-  readonly isTransferrable: boolean = false;
+  public isTransferable: boolean = false;
 
   constructor(type: ModifierTypes.FormChangeItemModifierType, pokemonId: integer, formChangeItem: FormChangeItem, active: boolean, stackCount?: integer) {
     super(type, pokemonId, stackCount);
@@ -2691,7 +2691,7 @@ export abstract class HeldItemTransferModifier extends PokemonHeldItemModifier {
 
     const transferredModifierTypes: ModifierTypes.ModifierType[] = [];
     const itemModifiers = pokemon.scene.findModifiers(m => m instanceof PokemonHeldItemModifier
-        && m.pokemonId === targetPokemon.id && m.isTransferrable, targetPokemon.isPlayer()) as PokemonHeldItemModifier[];
+        && m.pokemonId === targetPokemon.id && m.isTransferable, targetPokemon.isPlayer()) as PokemonHeldItemModifier[];
     let highestItemTier = itemModifiers.map(m => m.type.getOrInferTier(poolType)).reduce((highestTier, tier) => Math.max(tier!, highestTier), 0); // TODO: is this bang correct?
     let tierItemModifiers = itemModifiers.filter(m => m.type.getOrInferTier(poolType) === highestItemTier);
 
@@ -2736,7 +2736,7 @@ export abstract class HeldItemTransferModifier extends PokemonHeldItemModifier {
  * @see {@linkcode modifierTypes[MINI_BLACK_HOLE]}
  */
 export class TurnHeldItemTransferModifier extends HeldItemTransferModifier {
-  isTransferrable: boolean = true;
+  isTransferable: boolean = true;
   constructor(type: ModifierType, pokemonId: integer, stackCount?: integer) {
     super(type, pokemonId, stackCount);
   }
@@ -2762,7 +2762,7 @@ export class TurnHeldItemTransferModifier extends HeldItemTransferModifier {
   }
 
   setTransferrableFalse(): void {
-    this.isTransferrable = false;
+    this.isTransferable = false;
   }
 }
 

src/phases/command-phase.ts

@@ -16,6 +16,7 @@ import i18next from "i18next";
 import { FieldPhase } from "./field-phase";
 import { SelectTargetPhase } from "./select-target-phase";
 import { MysteryEncounterMode } from "#enums/mystery-encounter-mode";
+import { isNullOrUndefined } from "#app/utils";
 
 export class CommandPhase extends FieldPhase {
   protected fieldIndex: integer;
@@ -179,14 +180,16 @@ export class CommandPhase extends FieldPhase {
     case Command.POKEMON:
     case Command.RUN:
       const isSwitch = command === Command.POKEMON;
-      if (!isSwitch && this.scene.arena.biomeType === Biome.END) {
+      const { currentBattle, arena } = this.scene;
+      const mysteryEncounterFleeAllowed = currentBattle.mysteryEncounter?.fleeAllowed;
+      if (!isSwitch && (arena.biomeType === Biome.END || (!isNullOrUndefined(mysteryEncounterFleeAllowed) && !mysteryEncounterFleeAllowed))) {
         this.scene.ui.setMode(Mode.COMMAND, this.fieldIndex);
         this.scene.ui.setMode(Mode.MESSAGE);
         this.scene.ui.showText(i18next.t("battle:noEscapeForce"), null, () => {
           this.scene.ui.showText("", 0);
           this.scene.ui.setMode(Mode.COMMAND, this.fieldIndex);
         }, null, true);
-      } else if (!isSwitch && (this.scene.currentBattle.battleType === BattleType.TRAINER || this.scene.currentBattle.mysteryEncounter?.encounterMode === MysteryEncounterMode.TRAINER_BATTLE)) {
+      } else if (!isSwitch && (currentBattle.battleType === BattleType.TRAINER || currentBattle.mysteryEncounter?.encounterMode === MysteryEncounterMode.TRAINER_BATTLE)) {
         this.scene.ui.setMode(Mode.COMMAND, this.fieldIndex);
         this.scene.ui.setMode(Mode.MESSAGE);
         this.scene.ui.showText(i18next.t("battle:noEscapeTrainer"), null, () => {
@@ -197,12 +200,12 @@ export class CommandPhase extends FieldPhase {
         const batonPass = isSwitch && args[0] as boolean;
         const trappedAbMessages: string[] = [];
         if (batonPass || !playerPokemon.isTrapped(trappedAbMessages)) {
-          this.scene.currentBattle.turnCommands[this.fieldIndex] = isSwitch
+          currentBattle.turnCommands[this.fieldIndex] = isSwitch
             ? { command: Command.POKEMON, cursor: cursor, args: args }
             : { command: Command.RUN };
           success = true;
           if (!isSwitch && this.fieldIndex) {
-              this.scene.currentBattle.turnCommands[this.fieldIndex - 1]!.skip = true;
+            currentBattle.turnCommands[this.fieldIndex - 1]!.skip = true;
           }
         } else if (trappedAbMessages.length > 0) {
           if (!isSwitch) {
@@ -219,7 +222,7 @@ export class CommandPhase extends FieldPhase {
 
           // trapTag should be defined at this point, but just in case...
           if (!trapTag) {
-            this.scene.currentBattle.turnCommands[this.fieldIndex] = isSwitch
+            currentBattle.turnCommands[this.fieldIndex] = isSwitch
               ? { command: Command.POKEMON, cursor: cursor, args: args }
               : { command: Command.RUN };
             break;

src/phases/game-over-phase.ts

@@ -60,6 +60,11 @@ export class GameOverPhase extends BattlePhase {
           this.scene.ui.fadeOut(1250).then(() => {
             this.scene.reset();
             this.scene.clearPhaseQueue();
+            // If this is a ME, clear any residual visual sprites before reloading
+            const encounter = this.scene.currentBattle.mysteryEncounter;
+            if (encounter?.introVisuals) {
+              this.scene.field.remove(encounter.introVisuals, true);
+            }
             this.scene.gameData.loadSession(this.scene, this.scene.sessionSlotId).then(() => {
               this.scene.pushPhase(new EncounterPhase(this.scene, true));
 

src/phases/message-phase.ts

@@ -6,14 +6,16 @@ export class MessagePhase extends Phase {
   private callbackDelay: integer | null;
   private prompt: boolean | null;
   private promptDelay: integer | null;
+  private speaker?: string;
 
-  constructor(scene: BattleScene, text: string, callbackDelay?: integer | null, prompt?: boolean | null, promptDelay?: integer | null) {
+  constructor(scene: BattleScene, text: string, callbackDelay?: integer | null, prompt?: boolean | null, promptDelay?: integer | null, speaker?: string) {
     super(scene);
 
     this.text = text;
     this.callbackDelay = callbackDelay!; // TODO: is this bang correct?
     this.prompt = prompt!; // TODO: is this bang correct?
     this.promptDelay = promptDelay!; // TODO: is this bang correct?
+    this.speaker = speaker;
   }
 
   start() {
@@ -21,12 +23,16 @@ export class MessagePhase extends Phase {
 
     if (this.text.indexOf("$") > -1) {
       const pageIndex = this.text.indexOf("$");
-      this.scene.unshiftPhase(new MessagePhase(this.scene, this.text.slice(pageIndex + 1), this.callbackDelay, this.prompt, this.promptDelay));
+      this.scene.unshiftPhase(new MessagePhase(this.scene, this.text.slice(pageIndex + 1), this.callbackDelay, this.prompt, this.promptDelay, this.speaker));
       this.text = this.text.slice(0, pageIndex).trim();
     }
 
+    if (this.speaker) {
+      this.scene.ui.showDialogue(this.text, this.speaker, null, () => this.end(), this.callbackDelay || (this.prompt ? 0 : 1500), this.promptDelay ?? 0);
+    } else {
       this.scene.ui.showText(this.text, null, () => this.end(), this.callbackDelay || (this.prompt ? 0 : 1500), this.prompt, this.promptDelay);
     }
+  }
 
   end() {
     if (this.scene.abilityBar.shown) {

src/phases/mystery-encounter-phases.ts

@@ -3,7 +3,7 @@ import BattleScene from "../battle-scene";
 import { Phase } from "../phase";
 import { Mode } from "../ui/ui";
 import { transitionMysteryEncounterIntroVisuals, OptionSelectSettings } from "../data/mystery-encounters/utils/encounter-phase-utils";
-import MysteryEncounterOption, { OptionPhaseCallback } from "../data/mystery-encounters/mystery-encounter-option";
+import MysteryEncounterOption, { OptionPhaseCallback } from "#app/data/mystery-encounters/mystery-encounter-option";
 import { getCharVariantFromDialogue } from "../data/dialogue";
 import { TrainerSlot } from "../data/trainer-config";
 import { BattleSpec } from "#enums/battle-spec";

src/phases/select-modifier-phase.ts

@@ -1,7 +1,7 @@
 import BattleScene from "#app/battle-scene";
 import { ModifierTier } from "#app/modifier/modifier-tier";
 import { regenerateModifierPoolThresholds, ModifierTypeOption, ModifierType, getPlayerShopModifierTypeOptionsForWave, PokemonModifierType, FusePokemonModifierType, PokemonMoveModifierType, TmModifierType, RememberMoveModifierType, PokemonPpRestoreModifierType, PokemonPpUpModifierType, ModifierPoolType, getPlayerModifierTypeOptions } from "#app/modifier/modifier-type";
-import { ExtraModifierModifier, Modifier, PokemonHeldItemModifier } from "#app/modifier/modifier";
+import { ExtraModifierModifier, HealShopCostModifier, Modifier, PokemonHeldItemModifier } from "#app/modifier/modifier";
 import ModifierSelectUiHandler, { SHOP_OPTIONS_ROW_LIMIT } from "#app/ui/modifier-select-ui-handler";
 import PartyUiHandler, { PartyUiMode, PartyOption } from "#app/ui/party-ui-handler";
 import { Mode } from "#app/ui/ui";
@@ -10,7 +10,7 @@ import * as Utils from "#app/utils";
 import { BattlePhase } from "./battle-phase";
 import Overrides from "#app/overrides";
 import { CustomModifierSettings } from "#app/modifier/modifier-type";
-import { isNullOrUndefined } from "#app/utils";
+import { isNullOrUndefined, NumberHolder } from "#app/utils";
 
 export class SelectModifierPhase extends BattlePhase {
   private rerollCount: integer;
@@ -69,11 +69,11 @@ export class SelectModifierPhase extends BattlePhase {
       }
       let modifierType: ModifierType;
       let cost: integer;
+      const rerollCost = this.getRerollCost(typeOptions, this.scene.lockModifierTiers);
       switch (rowCursor) {
       case 0:
         switch (cursor) {
         case 0:
-          const rerollCost = this.getRerollCost(typeOptions, this.scene.lockModifierTiers);
           if (rerollCost < 0 || this.scene.money < rerollCost) {
             this.scene.ui.playError();
             return false;
@@ -94,7 +94,7 @@ export class SelectModifierPhase extends BattlePhase {
           this.scene.ui.setModeWithoutClear(Mode.PARTY, PartyUiMode.MODIFIER_TRANSFER, -1, (fromSlotIndex: integer, itemIndex: integer, itemQuantity: integer, toSlotIndex: integer) => {
             if (toSlotIndex !== undefined && fromSlotIndex < 6 && toSlotIndex < 6 && fromSlotIndex !== toSlotIndex && itemIndex > -1) {
               const itemModifiers = this.scene.findModifiers(m => m instanceof PokemonHeldItemModifier
-                      && m.isTransferrable && m.pokemonId === party[fromSlotIndex].id) as PokemonHeldItemModifier[];
+                      && m.isTransferable && m.pokemonId === party[fromSlotIndex].id) as PokemonHeldItemModifier[];
               const itemModifier = itemModifiers[itemIndex];
               this.scene.tryTransferHeldItemModifier(itemModifier, party[toSlotIndex], true, itemQuantity);
             } else {
@@ -108,6 +108,11 @@ export class SelectModifierPhase extends BattlePhase {
           });
           break;
         case 3:
+          if (rerollCost < 0) {
+            // Reroll lock button is also disabled when reroll is disabled
+            this.scene.ui.playError();
+            return false;
+          }
           this.scene.lockModifierTiers = !this.scene.lockModifierTiers;
           const uiHandler = this.scene.ui.getHandler() as ModifierSelectUiHandler;
           uiHandler.setRerollCost(this.getRerollCost(typeOptions, this.scene.lockModifierTiers));
@@ -133,7 +138,10 @@ export class SelectModifierPhase extends BattlePhase {
         if (shopOption.type) {
           modifierType = shopOption.type;
         }
-        cost = shopOption.cost;
+        // Apply Black Sludge to healing item cost
+        const healingItemCost = new NumberHolder(shopOption.cost);
+        this.scene.applyModifier(HealShopCostModifier, true, healingItemCost);
+        cost = healingItemCost.value;
         break;
       }
 

src/test/mystery-encounter/encounters/berries-abound-encounter.test.ts

@@ -98,7 +98,6 @@ describe("Berries Abound - Mystery Encounter", () => {
 
     const config = BerriesAboundEncounter.enemyPartyConfigs[0];
     expect(config).toBeDefined();
-    expect(config.levelAdditiveMultiplier).toBe(1);
     expect(config.pokemonConfigs?.[0].isBoss).toBe(true);
     expect(onInitResult).toBe(true);
   });
@@ -134,7 +133,7 @@ describe("Berries Abound - Mystery Encounter", () => {
     });
 
     // TODO: there is some severe test flakiness occurring for this file, needs to be looked at/addressed in separate issue
-    it.skip("should reward the player with X berries based on wave", async () => {
+    it("should reward the player with X berries based on wave", async () => {
       await game.runToMysteryEncounter(MysteryEncounterType.BERRIES_ABOUND, defaultParty);
 
       const numBerries = game.scene.currentBattle.mysteryEncounter!.misc.numBerries;

src/test/mystery-encounter/encounters/fight-or-flight-encounter.test.ts

@@ -96,7 +96,6 @@ describe("Fight or Flight - Mystery Encounter", () => {
 
     const config = FightOrFlightEncounter.enemyPartyConfigs[0];
     expect(config).toBeDefined();
-    expect(config.levelAdditiveMultiplier).toBe(1);
     expect(config.pokemonConfigs?.[0].isBoss).toBe(true);
     expect(onInitResult).toBe(true);
   });

src/test/mystery-encounter/encounters/mysterious-challengers-encounter.test.ts

@@ -117,12 +117,12 @@ describe("Mysterious Challengers - Mystery Encounter", () => {
       },
       {
         trainerConfig: expect.any(TrainerConfig),
-        levelAdditiveMultiplier: 1,
+        levelAdditiveModifier: 1,
         female: expect.any(Boolean),
       },
       {
         trainerConfig: expect.any(TrainerConfig),
-        levelAdditiveMultiplier: 1.5,
+        levelAdditiveModifier: 1.5,
         female: expect.any(Boolean),
       }
     ]);

src/test/mystery-encounter/encounters/teleporting-hijinks-encounter.test.ts

@@ -21,6 +21,8 @@ const defaultParty = [Species.LAPRAS, Species.GENGAR, Species.ABRA];
 const defaultBiome = Biome.CAVE;
 const defaultWave = 45;
 
+const TRANSPORT_BIOMES = [Biome.SPACE, Biome.ISLAND, Biome.LABORATORY, Biome.FAIRY_CAVE, Biome.WASTELAND, Biome.DOJO];
+
 describe("Teleporting Hijinks - Mystery Encounter", () => {
   let phaserGame: Phaser.Game;
   let game: GameManager;
@@ -183,7 +185,7 @@ describe("Teleporting Hijinks - Mystery Encounter", () => {
       await runMysteryEncounterToEnd(game, 1, undefined, true);
 
       expect(previousBiome).not.toBe(scene.arena.biomeType);
-      expect([Biome.SPACE, Biome.ISLAND, Biome.LABORATORY, Biome.FAIRY_CAVE]).toContain(scene.arena.biomeType);
+      expect(TRANSPORT_BIOMES).toContain(scene.arena.biomeType);
     });
 
     it("should start a battle against an enraged boss", { retry: 5 }, async () => {
@@ -246,7 +248,7 @@ describe("Teleporting Hijinks - Mystery Encounter", () => {
       await runMysteryEncounterToEnd(game, 2, undefined, true);
 
       expect(previousBiome).not.toBe(scene.arena.biomeType);
-      expect([Biome.SPACE, Biome.ISLAND, Biome.LABORATORY, Biome.FAIRY_CAVE]).toContain(scene.arena.biomeType);
+      expect(TRANSPORT_BIOMES).toContain(scene.arena.biomeType);
     });
 
     it("should start a battle against an enraged boss", async () => {

src/test/mystery-encounter/encounters/the-strong-stuff-encounter.test.ts

@@ -114,7 +114,7 @@ describe("The Strong Stuff - Mystery Encounter", () => {
 
     expect(TheStrongStuffEncounter.enemyPartyConfigs).toEqual([
       {
-        levelAdditiveMultiplier: 1,
+        levelAdditiveModifier: 1,
         disableSwitch: true,
         pokemonConfigs: [
           {

src/test/mystery-encounter/encounters/trash-to-treasure-encounter.test.ts

@@ -102,7 +102,7 @@ describe("Trash to Treasure - Mystery Encounter", () => {
 
     expect(TrashToTreasureEncounter.enemyPartyConfigs).toEqual([
       {
-        levelAdditiveMultiplier: 1,
+        levelAdditiveModifier: 1,
         disableSwitch: true,
         pokemonConfigs: [
           {

src/test/mystery-encounter/encounters/uncommon-breed-encounter.test.ts

@@ -107,7 +107,7 @@ describe("Uncommon Breed - Mystery Encounter", () => {
     expect(onInitResult).toBe(true);
   });
 
-  describe.skip("Option 1 - Fight", () => {
+  describe("Option 1 - Fight", () => {
     it("should have the correct properties", () => {
       const option = UncommonBreedEncounter.options[0];
       expect(option.optionMode).toBe(MysteryEncounterOptionMode.DEFAULT);
@@ -123,7 +123,7 @@ describe("Uncommon Breed - Mystery Encounter", () => {
       });
     });
 
-    it("should start a fight against the boss", async () => {
+    it.skip("should start a fight against the boss", async () => {
       const phaseSpy = vi.spyOn(scene, "pushPhase");
       const unshiftPhaseSpy = vi.spyOn(scene, "unshiftPhase");
       await game.runToMysteryEncounter(MysteryEncounterType.UNCOMMON_BREED, defaultParty);

src/ui/modifier-select-ui-handler.ts

@@ -160,7 +160,7 @@ export default class ModifierSelectUiHandler extends AwaitableUiHandler {
 
     this.player = args[0];
 
-    const partyHasHeldItem = this.player && !!this.scene.findModifiers(m => m instanceof PokemonHeldItemModifier && m.isTransferrable).length;
+    const partyHasHeldItem = this.player && !!this.scene.findModifiers(m => m instanceof PokemonHeldItemModifier && m.isTransferable).length;
     const canLockRarities = !!this.scene.findModifier(m => m instanceof LockModifierTiersModifier);
 
     this.transferButtonContainer.setVisible(false);
@@ -277,13 +277,13 @@ export default class ModifierSelectUiHandler extends AwaitableUiHandler {
       this.lockRarityButtonContainer.setVisible(canLockRarities);
 
       this.scene.tweens.add({
-        targets: [ this.lockRarityButtonContainer, this.checkButtonContainer, this.continueButtonContainer ],
+        targets: [ this.checkButtonContainer, this.continueButtonContainer ],
         alpha: 1,
         duration: 250
       });
 
       this.scene.tweens.add({
-        targets: [this.rerollButtonContainer],
+        targets: [this.rerollButtonContainer, this.lockRarityButtonContainer],
         alpha: this.rerollCost < 0 ? 0.5 : 1,
         duration: 250
       });

src/ui/mystery-encounter-ui-handler.ts

@@ -6,7 +6,7 @@ import { Button } from "#enums/buttons";
 import { addWindow, WindowVariant } from "./ui-theme";
 import { MysteryEncounterPhase } from "../phases/mystery-encounter-phases";
 import { PartyUiMode } from "./party-ui-handler";
-import MysteryEncounterOption from "../data/mystery-encounters/mystery-encounter-option";
+import MysteryEncounterOption from "#app/data/mystery-encounters/mystery-encounter-option";
 import * as Utils from "../utils";
 import { isNullOrUndefined } from "../utils";
 import { getPokeballAtlasKey } from "../data/pokeball";
@@ -42,7 +42,8 @@ export default class MysteryEncounterUiHandler extends UiHandler {
   private encounterOptions: MysteryEncounterOption[] = [];
   private optionsMeetsReqs: boolean[];
 
-  protected viewPartyIndex: integer = 0;
+  protected viewPartyIndex: number = 0;
+  protected viewPartyXPosition: number = 0;
 
   protected blockInput: boolean = true;
 
@@ -300,11 +301,11 @@ export default class MysteryEncounterUiHandler extends UiHandler {
     }
   }
 
-  override getCursor(): integer {
+  override getCursor(): number {
     return this.cursor ? this.cursor : 0;
   }
 
-  override setCursor(cursor: integer): boolean {
+  override setCursor(cursor: number): boolean {
     const prevCursor = this.getCursor();
     const changed = prevCursor !== cursor;
     if (changed) {
@@ -319,7 +320,7 @@ export default class MysteryEncounterUiHandler extends UiHandler {
     }
 
     if (cursor === this.viewPartyIndex) {
-      this.cursorObj.setPosition(246, -17);
+      this.cursorObj.setPosition(this.viewPartyXPosition, -17);
     } else if (this.optionsContainer.getAll()?.length === 3) { // 2 Options
       this.cursorObj.setPosition(-10.5 + (cursor % 2 === 1 ? 100 : 0), 15);
     } else if (this.optionsContainer.getAll()?.length === 4) { // 3 Options
@@ -419,8 +420,10 @@ export default class MysteryEncounterUiHandler extends UiHandler {
     }
 
     // View Party Button
-    const viewPartyText = addBBCodeTextObject(this.scene, 256, -24, getBBCodeFrag(i18next.t("mysteryEncounterMessages:view_party_button"), TextStyle.PARTY), TextStyle.PARTY);
+    const viewPartyText = addBBCodeTextObject(this.scene, (this.scene.game.canvas.width) / 6, -24, getBBCodeFrag(i18next.t("mysteryEncounterMessages:view_party_button"), TextStyle.PARTY), TextStyle.PARTY);
     this.optionsContainer.add(viewPartyText);
+    viewPartyText.x -= (viewPartyText.displayWidth + 16);
+    this.viewPartyXPosition = viewPartyText.x - 10;
 
     // Description Window
     const titleTextObject = addBBCodeTextObject(this.scene, 0, 0, titleText ?? "", TextStyle.TOOLTIP_TITLE, { wordWrap: { width: 750 }, align: "center", lineSpacing: -8 });

src/ui/party-ui-handler.ts

@@ -355,7 +355,7 @@ export default class PartyUiHandler extends MessageUiHandler {
             const newPokemon = this.scene.getParty()[p];
             // this next line gets all of the transferable items from pokemon [p]; it does this by getting all the held modifiers that are transferable and checking to see if they belong to pokemon [p]
             const getTransferrableItemsFromPokemon = (newPokemon: PlayerPokemon) =>
-              this.scene.findModifiers(m => m instanceof PokemonHeldItemModifier && (m as PokemonHeldItemModifier).isTransferrable && (m as PokemonHeldItemModifier).pokemonId === newPokemon.id) as PokemonHeldItemModifier[];
+              this.scene.findModifiers(m => m instanceof PokemonHeldItemModifier && (m as PokemonHeldItemModifier).isTransferable && (m as PokemonHeldItemModifier).pokemonId === newPokemon.id) as PokemonHeldItemModifier[];
             // this next bit checks to see if the the selected item from the original transfer pokemon exists on the new pokemon [p]; this returns undefined if the new pokemon doesn't have the item at all, otherwise it returns the pokemonHeldItemModifier for that item
             const matchingModifier = newPokemon.scene.findModifier(m => m instanceof PokemonHeldItemModifier && m.pokemonId === newPokemon.id && m.matchType(getTransferrableItemsFromPokemon(pokemon)[this.transferOptionCursor])) as PokemonHeldItemModifier;
             const partySlot = this.partySlots.filter(m => m.getPokemon() === newPokemon)[0]; // this gets pokemon [p] for us
@@ -399,7 +399,7 @@ export default class PartyUiHandler extends MessageUiHandler {
           || (option === PartyOption.RELEASE && this.partyUiMode === PartyUiMode.RELEASE)) {
           let filterResult: string | null;
           const getTransferrableItemsFromPokemon = (pokemon: PlayerPokemon) =>
-            this.scene.findModifiers(m => m instanceof PokemonHeldItemModifier && m.isTransferrable && m.pokemonId === pokemon.id) as PokemonHeldItemModifier[];
+            this.scene.findModifiers(m => m instanceof PokemonHeldItemModifier && m.isTransferable && m.pokemonId === pokemon.id) as PokemonHeldItemModifier[];
           if (option !== PartyOption.TRANSFER && option !== PartyOption.SPLICE) {
             filterResult = (this.selectFilter as PokemonSelectFilter)(pokemon);
             if (filterResult === null && (option === PartyOption.SEND_OUT || option === PartyOption.PASS_BATON)) {
@@ -596,7 +596,7 @@ export default class PartyUiHandler extends MessageUiHandler {
           if (this.partyUiMode === PartyUiMode.MODIFIER_TRANSFER && !this.transferMode) {
             /** Initialize item quantities for the selected Pokemon */
             const itemModifiers = this.scene.findModifiers(m => m instanceof PokemonHeldItemModifier
-              && m.isTransferrable && m.pokemonId === this.scene.getParty()[this.cursor].id) as PokemonHeldItemModifier[];
+              && m.isTransferable && m.pokemonId === this.scene.getParty()[this.cursor].id) as PokemonHeldItemModifier[];
             this.transferQuantities = itemModifiers.map(item => item.getStackCount());
             this.transferQuantitiesMax = itemModifiers.map(item => item.getStackCount());
           }
@@ -813,7 +813,7 @@ export default class PartyUiHandler extends MessageUiHandler {
 
     const itemModifiers = this.partyUiMode === PartyUiMode.MODIFIER_TRANSFER
       ? this.scene.findModifiers(m => m instanceof PokemonHeldItemModifier
-        && m.isTransferrable && m.pokemonId === pokemon.id) as PokemonHeldItemModifier[]
+        && m.isTransferable && m.pokemonId === pokemon.id) as PokemonHeldItemModifier[]
       : [];
 
     if (this.options.length) {