diff --git a/Source/Contents/Actors/GroundScope.cpp b/Source/Contents/Actors/GroundScope.cpp
new file mode 100644
index 0000000..c284255
--- /dev/null
+++ b/Source/Contents/Actors/GroundScope.cpp
@@ -0,0 +1,14 @@
+#include "Contents/Actors/GroundScope.h"
+
+#include <windows.h>
+#include <mmsystem.h>
+
+// OFFSET: 0x00E4C2F0
+// FUNCTION: fn_24284
+bool CGroundScope::Update() {
+  if (this->m_lastingTime < timeGetTime()) {
+    return false;
+  }
+
+  return true;
+}
diff --git a/Source/Contents/Actors/GroundScope.h b/Source/Contents/Actors/GroundScope.h
new file mode 100644
index 0000000..8365eae
--- /dev/null
+++ b/Source/Contents/Actors/GroundScope.h
@@ -0,0 +1,20 @@
+#ifndef RAGNAROK_SOURCE_CONTENTS_ACTORS_GROUNDSCOPE_H
+#define RAGNAROK_SOURCE_CONTENTS_ACTORS_GROUNDSCOPE_H
+
+#include "Contents/Effects/EffectActor.h"
+
+#include <cstddef>
+
+class CGroundScope : public EffectActor {
+public:
+  bool Update() override;
+
+  /* 0158 */ unsigned char unknown_0158[0xC];
+  /* 0164 */ unsigned long m_lastingTime;
+};
+
+#if defined(_WIN32) && !defined(_WIN64)
+static_assert(offsetof(CGroundScope, m_lastingTime) == 0x164);
+#endif
+
+#endif
diff --git a/data/compile.json b/data/compile.json
index 42062f2..76b3fc0 100644
--- a/data/compile.json
+++ b/data/compile.json
@@ -275,6 +275,7 @@
   "Source/Contents/ActorNameRequests.cpp": 4,
   "Source/Contents/Actors/AttackMotion.cpp": 4,
   "Source/Contents/Actors/GameObject.cpp": 4,
+  "Source/Contents/Actors/GroundScope.cpp": 4,
   "Source/Contents/Actors/MercenaryAI.cpp": 4,
   "Source/Contents/Actors/Player.cpp": 4,
   "Source/Contents/Actors/RenderObject.cpp": 4,