diff --git a/src/battle_ai_switch_items.c b/src/battle_ai_switch_items.c
index 2fb8417ad9..c33878465a 100644
--- a/src/battle_ai_switch_items.c
+++ b/src/battle_ai_switch_items.c
@@ -1610,7 +1610,7 @@ static u32 GetSwitchinHitsToKO(s32 damageTaken, u32 battler)
     u8 weatherDuration = gWishFutureKnock.weatherDuration, holdEffectParam = ItemId_GetHoldEffectParam(item);
     u32 opposingBattler = GetBattlerAtPosition(BATTLE_OPPOSITE(GetBattlerPosition(battler)));
     u32 opposingAbility = gBattleMons[opposingBattler].ability, ability = AI_DATA->switchinCandidate.battleMon.ability;
-    bool32 usedSingleUseHealingItem = FALSE;
+    bool32 usedSingleUseHealingItem = FALSE, opponentCanBreakMold = IsMoldBreakerTypeAbility(opposingBattler, opposingAbility);
     s32 currentHP = startingHP;
 
     // No damage being dealt
@@ -1632,7 +1632,7 @@ static u32 GetSwitchinHitsToKO(s32 damageTaken, u32 battler)
         currentHP = currentHP - damageTaken;
 
         // One shot prevention effects
-        if (damageTaken >= maxHP && currentHP == maxHP && (heldItemEffect == HOLD_EFFECT_FOCUS_SASH || (B_STURDY >= GEN_5 && ability == ABILITY_STURDY)))
+        if (damageTaken >= maxHP && currentHP == maxHP && (heldItemEffect == HOLD_EFFECT_FOCUS_SASH || (!opponentCanBreakMold && B_STURDY >= GEN_5 && ability == ABILITY_STURDY)))
             currentHP = 1;
 
         // If mon is still alive, apply weather impact first, as it might KO the mon before it can heal with its item (order is weather -> item -> status)
@@ -1697,6 +1697,10 @@ static u32 GetSwitchinHitsToKO(s32 damageTaken, u32 battler)
         hitsToKO++;
     }
 
+    // Disguise will always add an extra hit to KO
+    if (opponentCanBreakMold && AI_DATA->switchinCandidate.battleMon.species == SPECIES_MIMIKYU_DISGUISED)
+        hitsToKO++;
+
     // If mon had a hypothetical status from TSpikes, clear it
     if (AI_DATA->switchinCandidate.hypotheticalStatus == TRUE)
     {