diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index 659ac2880a0..73a50a0721e 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -7,7 +7,7 @@ import { variantColorCache } from "#app/data/variant";
 import { variantData } from "#app/data/variant";
 import BattleInfo, { PlayerBattleInfo, EnemyBattleInfo } from "#app/ui/battle-info";
 import type Move from "#app/data/move";
-import { HighCritAttr, HitsTagAttr, applyMoveAttrs, FixedDamageAttr, VariableAtkAttr, allMoves, MoveCategory, TypelessAttr, CritOnlyAttr, getMoveTargets, OneHitKOAttr, VariableMoveTypeAttr, VariableDefAttr, AttackMove, ModifiedDamageAttr, VariableMoveTypeMultiplierAttr, IgnoreOpponentStatStagesAttr, SacrificialAttr, VariableMoveCategoryAttr, CounterDamageAttr, StatStageChangeAttr, RechargeAttr, IgnoreWeatherTypeDebuffAttr, BypassBurnDamageReductionAttr, SacrificialAttrOnHit, OneHitKOAccuracyAttr, RespectAttackTypeImmunityAttr, MoveTarget, CombinedPledgeStabBoostAttr, VariableMoveTypeChartAttr } from "#app/data/move";
+import { HighCritAttr, HitsTagAttr, applyMoveAttrs, FixedDamageAttr, VariableAtkAttr, allMoves, MoveCategory, TypelessAttr, CritOnlyAttr, getMoveTargets, OneHitKOAttr, VariableMoveTypeAttr, VariableDefAttr, AttackMove, ModifiedDamageAttr, VariableMoveTypeMultiplierAttr, IgnoreOpponentStatStagesAttr, SacrificialAttr, VariableMoveCategoryAttr, CounterDamageAttr, StatStageChangeAttr, RechargeAttr, IgnoreWeatherTypeDebuffAttr, BypassBurnDamageReductionAttr, SacrificialAttrOnHit, OneHitKOAccuracyAttr, RespectAttackTypeImmunityAttr, MoveTarget, CombinedPledgeStabBoostAttr, VariableMoveTypeChartAttr, HpSplitAttr } from "#app/data/move";
 import type { PokemonSpeciesForm } from "#app/data/pokemon-species";
 import { default as PokemonSpecies, getFusedSpeciesName, getPokemonSpecies, getPokemonSpeciesForm } from "#app/data/pokemon-species";
 import { getStarterValueFriendshipCap, speciesStarterCosts } from "#app/data/balance/starters";
@@ -2237,9 +2237,10 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
       }
     }
 
-    // Bosses never get self ko moves
+    // Bosses never get self ko moves or Pain Split
     if (this.isBoss()) {
       movePool = movePool.filter(m => !allMoves[m[0]].hasAttr(SacrificialAttr));
+      movePool = movePool.filter(m => !allMoves[m[0]].hasAttr(HpSplitAttr));
     }
     movePool = movePool.filter(m => !allMoves[m[0]].hasAttr(SacrificialAttrOnHit));
     if (this.hasTrainer()) {