Apply status tokens in a random order to prevent bias

src/battle-scene.ts

@@ -1976,9 +1976,27 @@ export default class BattleScene extends SceneBase {
 		return (player ? this.modifiers : this.enemyModifiers).find(m => (modifierFilter as ModifierPredicate)(m));
 	}
 
+	applyShuffledModifiers(scene: BattleScene, modifierType: { new(...args: any[]): Modifier }, player: boolean = true, ...args: any[]): PersistentModifier[] {
+		let modifiers = (player ? this.modifiers : this.enemyModifiers).filter(m => m instanceof modifierType && m.shouldApply(args));
+		scene.executeWithSeedOffset(() => {
+			const shuffleModifiers = mods => {
+				if (mods.length === 1)
+					return mods;
+				const rand = Math.floor(Utils.randSeedInt(mods.length));
+				return [mods[rand], ...shuffleModifiers(mods.filter((_, i) => i !== rand))];
+			};
+			modifiers = shuffleModifiers(modifiers);
+		}, scene.currentBattle.turn << 4, scene.waveSeed);
+		return this.applyModifiersInternal(modifiers, player, args);
+	}
+
 	applyModifiers(modifierType: { new(...args: any[]): Modifier }, player: boolean = true, ...args: any[]): PersistentModifier[] {
-		const appliedModifiers: PersistentModifier[] = [];
 		const modifiers = (player ? this.modifiers : this.enemyModifiers).filter(m => m instanceof modifierType && m.shouldApply(args));
+		return this.applyModifiersInternal(modifiers, player, args);
+	}
+
+	applyModifiersInternal(modifiers: PersistentModifier[], player: boolean, args: any[]): PersistentModifier[] {
+		const appliedModifiers: PersistentModifier[] = [];
 		for (let modifier of modifiers) {
 			if (modifier.apply(args)) {
 				console.log('Applied', modifier.type.name, !player ? '(enemy)' : '');

src/phases.ts

@@ -2450,7 +2450,7 @@ export class MoveEffectPhase extends PokemonPhase {
                         user, target, this.move.getMove()).then(() => {
                           return Utils.executeIf(!target.isFainted() || target.canApplyAbility(), () => applyPostDefendAbAttrs(PostDefendAbAttr, target, user, this.move, hitResult).then(() => {
                             if (!user.isPlayer() && this.move.getMove() instanceof AttackMove)
-                              user.scene.applyModifiers(EnemyAttackStatusEffectChanceModifier, false, target);
+                              user.scene.applyShuffledModifiers(this.scene, EnemyAttackStatusEffectChanceModifier, false, target);
                           })).then(() => {
                             applyPostAttackAbAttrs(PostAttackAbAttr, user, target, this.move, hitResult).then(() => {
                               if (this.move.getMove() instanceof AttackMove)