diff --git a/src/data/ability.ts b/src/data/ability.ts
index bae2744ae0a..e75649a42da 100644
--- a/src/data/ability.ts
+++ b/src/data/ability.ts
@@ -453,6 +453,7 @@ export class PostDefendDisguiseAbAttr extends PostDefendAbAttr {
       if (!recoilDamage)
         return false;
       pokemon.damageAndUpdate(recoilDamage, HitResult.OTHER);
+      pokemon.turnData.damageTaken += recoilDamage;
       pokemon.scene.queueMessage(getPokemonMessage(pokemon, '\'s disguise was busted!'));
       return true;
     }
@@ -733,6 +734,7 @@ export class PostDefendContactDamageAbAttr extends PostDefendAbAttr {
   applyPostDefend(pokemon: Pokemon, passive: boolean, attacker: Pokemon, move: PokemonMove, hitResult: HitResult, args: any[]): boolean {
     if (move.getMove().checkFlag(MoveFlags.MAKES_CONTACT, attacker, pokemon)) {
       attacker.damageAndUpdate(Math.ceil(attacker.getMaxHp() * (1 / this.damageRatio)), HitResult.OTHER);
+      attacker.turnData.damageTaken += Math.ceil(attacker.getMaxHp() * (1 / this.damageRatio));
       return true;
     }
     
@@ -2070,6 +2072,7 @@ export class PostFaintContactDamageAbAttr extends PostFaintAbAttr {
         return false;
       }
       attacker.damageAndUpdate(Math.ceil(attacker.getMaxHp() * (1 / this.damageRatio)), HitResult.OTHER);
+      attacker.turnData.damageTaken += Math.ceil(attacker.getMaxHp() * (1 / this.damageRatio));
       return true;
     }
 
diff --git a/src/data/arena-tag.ts b/src/data/arena-tag.ts
index c2430db950b..669971da37c 100644
--- a/src/data/arena-tag.ts
+++ b/src/data/arena-tag.ts
@@ -252,6 +252,7 @@ class SpikesTag extends ArenaTrapTag {
 
         pokemon.scene.queueMessage(getPokemonMessage(pokemon, ' is hurt\nby the spikes!'));
         pokemon.damageAndUpdate(damage, HitResult.OTHER);
+        pokemon.turnData.damageTaken += damage;
         return true;
       }
     }
@@ -382,6 +383,7 @@ class StealthRockTag extends ArenaTrapTag {
       const damage = Math.ceil(pokemon.getMaxHp() * damageHpRatio);
       pokemon.scene.queueMessage(`Pointed stones dug into\n${pokemon.name}!`);
       pokemon.damageAndUpdate(damage, HitResult.OTHER);
+      pokemon.turnData.damageTaken += damage;
     }
 
     return false;
diff --git a/src/data/move.ts b/src/data/move.ts
index b4604f7fc63..02b627ca960 100644
--- a/src/data/move.ts
+++ b/src/data/move.ts
@@ -695,6 +695,7 @@ export class RecoilAttr extends MoveEffectAttr {
       
     user.damageAndUpdate(recoilDamage, HitResult.OTHER, false, true, true);
     user.scene.queueMessage(getPokemonMessage(user, ' is hit\nwith recoil!'));
+	user.turnData.damageTaken += recoilDamage;
 
     return true;
   }
@@ -714,6 +715,7 @@ export class SacrificialAttr extends MoveEffectAttr {
       return false;
 
     user.damageAndUpdate(user.hp, HitResult.OTHER, false, true, true);
+	user.turnData.damageTaken += user.hp;
 
     return true;
   }
@@ -884,6 +886,7 @@ export class HitHealAttr extends MoveEffectAttr {
       !reverseDrain ? healAmount : healAmount * -1,
       !reverseDrain ? getPokemonMessage(target, ` had its\nenergy drained!`) : undefined,
       false, true));
+    if (reverseDrain) user.turnData.damageTaken += healAmount;
     return true;
   }
 
@@ -2392,6 +2395,7 @@ const crashDamageFunc = (user: Pokemon, move: Move) => {
   
   user.damageAndUpdate(Math.floor(user.getMaxHp() / 2), HitResult.OTHER, false, true);
   user.scene.queueMessage(getPokemonMessage(user, ' kept going\nand crashed!'));
+  user.turnData.damageTaken += Math.floor(user.getMaxHp() / 2);
   
   return true;
 };
@@ -4741,7 +4745,7 @@ export function initMoves() {
     new AttackMove(Moves.PAYBACK, Type.DARK, MoveCategory.PHYSICAL, 50, 100, 10, -1, 0, 4)
     .attr(MovePowerMultiplierAttr, (user, target, move) => target.getLastXMoves(1).find(m => m.turn === target.scene.currentBattle.turn) || user.scene.currentBattle.turnCommands[target.getBattlerIndex()].command === Command.BALL ? 2 : 1),  
     new AttackMove(Moves.ASSURANCE, Type.DARK, MoveCategory.PHYSICAL, 60, 100, 10, -1, 0, 4)
-      .partial(),
+      .attr(MovePowerMultiplierAttr, (user, target, move) => target.turnData.damageTaken > 0 ? 2 : 1),
     new StatusMove(Moves.EMBARGO, Type.DARK, 100, 15, -1, 0, 4)
       .unimplemented(),
     new AttackMove(Moves.FLING, Type.DARK, MoveCategory.PHYSICAL, -1, 100, 10, -1, 0, 4)
diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index fae667a7138..e4db82f3dc5 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -1390,6 +1390,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
 
             const oneHitKo = result === HitResult.ONE_HIT_KO;
             damage.value = this.damageAndUpdate(damage.value, result as DamageResult, isCritical, oneHitKo, oneHitKo);
+            this.turnData.damageTaken += damage.value;
             if (isCritical)
               this.scene.queueMessage('A critical hit!');
             this.scene.setPhaseQueueSplice();
@@ -2976,6 +2977,7 @@ export class PokemonTurnData {
   public hitCount: integer;
   public hitsLeft: integer;
   public damageDealt: integer = 0;
+  public damageTaken: integer = 0;
   public attacksReceived: AttackMoveResult[] = [];
 }