diff --git a/src/Battling/Models/Creature.cpp b/src/Battling/Models/Creature.cpp
index 6163604..4b5ebce 100644
--- a/src/Battling/Models/Creature.cpp
+++ b/src/Battling/Models/Creature.cpp
@@ -4,6 +4,7 @@
 #include "../History/HistoryElements/DamageHistory.hpp"
 #include "../Models/Battle.hpp"
 #include "../ScriptHandling/ScriptMacros.hpp"
+#include "DamageSource.hpp"
 
 using namespace CreatureLib;
 
@@ -171,12 +172,12 @@ namespace CreatureLib::Battling {
 
     bool Creature::IsFainted() const noexcept { return this->_currentHealth == 0; }
 
-    void Creature::OnFaint() {
+    void Creature::OnFaint(DamageSource damageSource) {
         EnsureNotNull(_battleData.Battle)
         EnsureNotNull(_battleData.Side)
         if (_battleData.Battle.HasValue()) {
             _battleData.Battle.GetValue()->TriggerEventListener<FaintEvent>(this);
-            HOOK(OnFaint, this, this);
+            HOOK(OnFaint, this, this, damageSource);
         }
         _library->GetExperienceLibrary()->HandleExperienceGain(this, _battleData.SeenOpponents);
         if (_battleData.Battle.HasValue() && _battleData.Side.HasValue()) {
@@ -205,7 +206,7 @@ namespace CreatureLib::Battling {
         _currentHealth = newHealth;
 
         if (IsFainted() && damage > 0 && battle != nullptr) {
-            OnFaint();
+            OnFaint(nullptr);
         }
     }
 
diff --git a/src/Battling/Models/Creature.hpp b/src/Battling/Models/Creature.hpp
index 99b16ed..d21c7d2 100644
--- a/src/Battling/Models/Creature.hpp
+++ b/src/Battling/Models/Creature.hpp
@@ -67,7 +67,7 @@ namespace CreatureLib::Battling {
         std::vector<u8> _types = {};
 
     private:
-        void OnFaint();
+        void OnFaint(DamageSource damageSource);
 
     public:
         Creature(const ArbUt::BorrowedPtr<const BattleLibrary>& library,
diff --git a/src/Battling/ScriptHandling/BattleScript.hpp b/src/Battling/ScriptHandling/BattleScript.hpp
index 59471a3..7e3ff80 100644
--- a/src/Battling/ScriptHandling/BattleScript.hpp
+++ b/src/Battling/ScriptHandling/BattleScript.hpp
@@ -5,6 +5,7 @@
 #include <Arbutils/Memory/Memory.hpp>
 #include <Arbutils/Misc.hpp>
 #include "../../Library/EffectParameter.hpp"
+#include "../Models/DamageSource.hpp"
 
 namespace CreatureLib::Battling {
     class BaseTurnChoice;
@@ -99,7 +100,7 @@ namespace CreatureLib::Battling {
                                             [[maybe_unused]] bool* result){};
 
         virtual void OnEndTurn(){};
-        virtual void OnFaint([[maybe_unused]] Creature* creature){};
+        virtual void OnFaint(Creature*, DamageSource){};
     };
 }