diff --git a/Source/Contents/Effects/Effect.cpp b/Source/Contents/Effects/Effect.cpp
index 0a962156..81a75eb1 100644
--- a/Source/Contents/Effects/Effect.cpp
+++ b/Source/Contents/Effects/Effect.cpp
@@ -1,5 +1,7 @@
 #include "Contents/Effects/Effect.h"
 
+#include "Contents/Effects/EffectLists.h"
+
 // OFFSET: 0x00B4DAE0
 // FUNCTION: fn_18979
 CEffect::CEffect(int value)
@@ -24,6 +26,17 @@ void CEffect::AddEvent(int kind, const char* text, int frame, int argument) {
   this->events.push_back(event);
 }
 
+// OFFSET: 0x00B4DF90
+// FUNCTION: fn_18985
+bool CEffect::RetireIfInactive() {
+  if (!this->Slot06()) {
+    g_effectMgr->Retire(this, 0);
+    return true;
+  }
+
+  return false;
+}
+
 // OFFSET: 0x00B4E170
 // FUNCTION: fn_18988
 void CEffect::SetEventFrame(int kind, int frame) {
diff --git a/Source/Contents/Effects/Effect.h b/Source/Contents/Effects/Effect.h
index e8f24f86..f118a34e 100644
--- a/Source/Contents/Effects/Effect.h
+++ b/Source/Contents/Effects/Effect.h
@@ -55,6 +55,7 @@ public:
   virtual bool Slot33() = 0;
   void AddEvent(int kind, const char* text, int frame, int argument);
   void SetEventFrame(int kind, int frame);
+  bool RetireIfInactive();
 
   /* 0004 */ int id;
   /* 0008 */ float position[3];