diff --git a/Server/src/main/content/minigame/barbassault/arena/monsters/PenanceFighterNPC.kt b/Server/src/main/content/minigame/barbassault/arena/monsters/PenanceFighterNPC.kt
index 42b0cc93a..6576ec305 100644
--- a/Server/src/main/content/minigame/barbassault/arena/monsters/PenanceFighterNPC.kt
+++ b/Server/src/main/content/minigame/barbassault/arena/monsters/PenanceFighterNPC.kt
@@ -40,9 +40,12 @@ class PenanceFighterNPC : NPCBehavior(*PENANCE_FIGHTER_IDS.toIntArray()) {
     override fun getXpMultiplier(self: NPC, attacker: Entity): Double {
         return 0.0
     }
-    override fun beforeDamageReceived( self: NPC, attacker: Entity, state: BattleState) {
-        attacker as Player
-        if(!attacker.isArtificial) {state.estimatedHit =  BarbAssaultCombat.applyAttackValidation( self, attacker, state )}
+    override fun beforeDamageReceived(self: NPC, attacker: Entity, state: BattleState) {
+        val player = attacker as? Player ?: return
+
+        if (!player.isArtificial) {
+            state.estimatedHit = BarbAssaultCombat.applyAttackValidation(self, player, state)
+        }
     }
 
     override fun onCreation (self: NPC) {
diff --git a/Server/src/main/content/minigame/barbassault/arena/monsters/PenanceRangerNPC.kt b/Server/src/main/content/minigame/barbassault/arena/monsters/PenanceRangerNPC.kt
index d61a7265a..6716abd81 100644
--- a/Server/src/main/content/minigame/barbassault/arena/monsters/PenanceRangerNPC.kt
+++ b/Server/src/main/content/minigame/barbassault/arena/monsters/PenanceRangerNPC.kt
@@ -38,7 +38,9 @@ class PenanceRangerNPC : NPCBehavior(*PENANCE_RANGER_IDS.toIntArray()) {
     }
     override fun beforeDamageReceived( self: NPC, attacker: Entity, state: BattleState) {
         attacker as Player
-        if(!attacker.isArtificial) {state.estimatedHit =  BarbAssaultCombat.applyAttackValidation( self, attacker, state )}
+        if(!attacker.isArtificial) {
+            state.estimatedHit =  BarbAssaultCombat.applyAttackValidation( self, attacker, state )
+        }
     }
 
     override fun getXpMultiplier(self: NPC, attacker: Entity): Double {