diff --git a/src/battle-scene.ts b/src/battle-scene.ts
index 6e07f8f4ae6..27f1597fd04 100644
--- a/src/battle-scene.ts
+++ b/src/battle-scene.ts
@@ -1911,6 +1911,13 @@ export default class BattleScene extends SceneBase {
     return false;
   }
 
+  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 ?? {};
diff --git a/src/data/move.ts b/src/data/move.ts
index c090fb3915a..1b7108448bc 100644
--- a/src/data/move.ts
+++ b/src/data/move.ts
@@ -2416,8 +2416,14 @@ 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 ? 100 : -10;
+    return user.status && user.status.effect === StatusEffect.SLEEP ? 200 : -10;
   }
 }
 
diff --git a/src/data/mystery-encounters/encounters/berries-abound-encounter.ts b/src/data/mystery-encounters/encounters/berries-abound-encounter.ts
index 3414f260311..d1497c54527 100644
--- a/src/data/mystery-encounters/encounters/berries-abound-encounter.ts
+++ b/src/data/mystery-encounters/encounters/berries-abound-encounter.ts
@@ -23,7 +23,7 @@ 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, getEncounterPokemonLevelForWave, 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";
@@ -56,7 +56,7 @@ export const BerriesAboundEncounter: MysteryEncounter =
       const encounter = scene.currentBattle.mysteryEncounter!;
 
       // Calculate boss mon
-      const level = getEncounterPokemonLevelForWave(scene, 1);
+      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));
diff --git a/src/data/mystery-encounters/encounters/dancing-lessons-encounter.ts b/src/data/mystery-encounters/encounters/dancing-lessons-encounter.ts
index b7ecc138590..bd308a5919b 100644
--- a/src/data/mystery-encounters/encounters/dancing-lessons-encounter.ts
+++ b/src/data/mystery-encounters/encounters/dancing-lessons-encounter.ts
@@ -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, getEncounterPokemonLevelForWave } 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 = getEncounterPokemonLevelForWave(scene, 1);
+      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) {
diff --git a/src/data/mystery-encounters/encounters/delibirdy-encounter.ts b/src/data/mystery-encounters/encounters/delibirdy-encounter.ts
index 346d8599546..25959abe19e 100644
--- a/src/data/mystery-encounters/encounters/delibirdy-encounter.ts
+++ b/src/data/mystery-encounters/encounters/delibirdy-encounter.ts
@@ -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, 1.5)) // 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)
@@ -98,18 +100,13 @@ export const DelibirdyEncounter: MysteryEncounter =
       return true;
     })
     .withOnVisualsStart((scene: BattleScene) => {
-      // Change the bgm
-      scene.fadeOutBgm(2000, false);
-      scene.time.delayedCall(2000, () => {
-        scene.playBgm("mystery_encounter_delibirdy");
-      });
-
+      scene.fadeAndSwitchBgm("mystery_encounter_delibirdy");
       return true;
     })
     .withOption(
       MysteryEncounterOptionBuilder
         .newOptionWithMode(MysteryEncounterOptionMode.DISABLED_OR_DEFAULT)
-        .withSceneMoneyRequirement(0, 1.5) // 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`,
diff --git a/src/data/mystery-encounters/encounters/fight-or-flight-encounter.ts b/src/data/mystery-encounters/encounters/fight-or-flight-encounter.ts
index 08953b241e0..aa11a07f218 100644
--- a/src/data/mystery-encounters/encounters/fight-or-flight-encounter.ts
+++ b/src/data/mystery-encounters/encounters/fight-or-flight-encounter.ts
@@ -22,7 +22,7 @@ import { MoveRequirement } from "#app/data/mystery-encounters/mystery-encounter-
 import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
 import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
 import { TrainerSlot } from "#app/data/trainer-config";
-import { getEncounterPokemonLevelForWave, 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";
@@ -54,7 +54,7 @@ export const FightOrFlightEncounter: MysteryEncounter =
       const encounter = scene.currentBattle.mysteryEncounter!;
 
       // Calculate boss mon
-      const level = getEncounterPokemonLevelForWave(scene, 1);
+      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());
diff --git a/src/data/mystery-encounters/encounters/fun-and-games-encounter.ts b/src/data/mystery-encounters/encounters/fun-and-games-encounter.ts
index 98c0edaf257..9ca7c7c2865 100644
--- a/src/data/mystery-encounters/encounters/fun-and-games-encounter.ts
+++ b/src/data/mystery-encounters/encounters/fun-and-games-encounter.ts
@@ -84,12 +84,7 @@ export const FunAndGamesEncounter: MysteryEncounter =
       return true;
     })
     .withOnVisualsStart((scene: BattleScene) => {
-      // Change the bgm
-      scene.fadeOutBgm(2000, false);
-      scene.time.delayedCall(2000, () => {
-        scene.playBgm("mystery_encounter_fun_and_games");
-      });
-
+      scene.fadeAndSwitchBgm("mystery_encounter_fun_and_games");
       return true;
     })
     .withOption(MysteryEncounterOptionBuilder
diff --git a/src/data/mystery-encounters/encounters/global-trade-system-encounter.ts b/src/data/mystery-encounters/encounters/global-trade-system-encounter.ts
index 622b28ae983..45619997579 100644
--- a/src/data/mystery-encounters/encounters/global-trade-system-encounter.ts
+++ b/src/data/mystery-encounters/encounters/global-trade-system-encounter.ts
@@ -119,12 +119,7 @@ export const GlobalTradeSystemEncounter: MysteryEncounter =
       return true;
     })
     .withOnVisualsStart((scene: BattleScene) => {
-      // Change the bgm
-      scene.fadeOutBgm(1500, false);
-      scene.time.delayedCall(1500, () => {
-        scene.playBgm(scene.currentBattle.mysteryEncounter!.misc.bgmKey);
-      });
-
+      scene.fadeAndSwitchBgm(scene.currentBattle.mysteryEncounter!.misc.bgmKey);
       return true;
     })
     .withOption(
diff --git a/src/data/mystery-encounters/encounters/shady-vitamin-dealer-encounter.ts b/src/data/mystery-encounters/encounters/shady-vitamin-dealer-encounter.ts
index 7b9b6f2bb46..933f184351a 100644
--- a/src/data/mystery-encounters/encounters/shady-vitamin-dealer-encounter.ts
+++ b/src/data/mystery-encounters/encounters/shady-vitamin-dealer-encounter.ts
@@ -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`,
@@ -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`,
diff --git a/src/data/mystery-encounters/encounters/teleporting-hijinks-encounter.ts b/src/data/mystery-encounters/encounters/teleporting-hijinks-encounter.ts
index 4db9222b19d..10b0e5222b3 100644
--- a/src/data/mystery-encounters/encounters/teleporting-hijinks-encounter.ts
+++ b/src/data/mystery-encounters/encounters/teleporting-hijinks-encounter.ts
@@ -20,7 +20,7 @@ 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 } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
+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";
@@ -131,7 +131,7 @@ export const TeleportingHijinksEncounter: MysteryEncounter =
         const encounter = scene.currentBattle.mysteryEncounter!;
 
         // Init enemy
-        const level = getEncounterPokemonLevelForWave(scene, 1);
+        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));
@@ -167,7 +167,7 @@ async function doBiomeTransitionDialogueAndBattleInit(scene: BattleScene) {
   await showEncounterText(scene, `${namespace}.attacked`);
 
   // Init enemy
-  const level = getEncounterPokemonLevelForWave(scene, 1);
+  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));
diff --git a/src/data/mystery-encounters/encounters/the-pokemon-salesman-encounter.ts b/src/data/mystery-encounters/encounters/the-pokemon-salesman-encounter.ts
index 62f4eb2e830..c26c6aa3b7f 100644
--- a/src/data/mystery-encounters/encounters/the-pokemon-salesman-encounter.ts
+++ b/src/data/mystery-encounters/encounters/the-pokemon-salesman-encounter.ts
@@ -22,6 +22,9 @@ const namespace = "mysteryEncounter:pokemonSalesman";
 
 const MAX_POKEMON_PRICE_MULTIPLIER = 4;
 
+/** Odds of shiny magikarp will be 1/value */
+const SHINY_MAGIKARP_WEIGHT = 100;
+
 /**
  * Pokemon Salesman encounter.
  * @see {@link https://github.com/pagefaultgames/pokerogue/issues/3799 | GitHub Issue #3799}
@@ -64,7 +67,7 @@ export const ThePokemonSalesmanEncounter: MysteryEncounter =
       }
 
       let pokemon: PlayerPokemon;
-      if (randSeedInt(100) === 0 || isNullOrUndefined(species.abilityHidden) || species.abilityHidden === Abilities.NONE) {
+      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;
diff --git a/src/data/mystery-encounters/encounters/weird-dream-encounter.ts b/src/data/mystery-encounters/encounters/weird-dream-encounter.ts
index 4c1063284ad..ed8986d99bb 100644
--- a/src/data/mystery-encounters/encounters/weird-dream-encounter.ts
+++ b/src/data/mystery-encounters/encounters/weird-dream-encounter.ts
@@ -130,12 +130,7 @@ export const WeirdDreamEncounter: MysteryEncounter =
       return true;
     })
     .withOnVisualsStart((scene: BattleScene) => {
-      // Change the bgm
-      scene.fadeOutBgm(3000, false);
-      scene.time.delayedCall(3000, () => {
-        scene.playBgm("mystery_encounter_weird_dream");
-      });
-
+      scene.fadeAndSwitchBgm("mystery_encounter_weird_dream");
       return true;
     })
     .withOption(
diff --git a/src/data/mystery-encounters/utils/encounter-pokemon-utils.ts b/src/data/mystery-encounters/utils/encounter-pokemon-utils.ts
index 1bc9def466b..c85dda5842d 100644
--- a/src/data/mystery-encounters/utils/encounter-pokemon-utils.ts
+++ b/src/data/mystery-encounters/utils/encounter-pokemon-utils.ts
@@ -21,6 +21,9 @@ 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)
  * @param species
@@ -736,8 +739,11 @@ export function getGoldenBugNetSpecies(): PokemonSpecies {
 
 /**
  * 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({currentBattle}: BattleScene, levelAdditiveModifier: number = 0) {
+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();