diff --git a/Source/Contents/Actors/MercenaryAI.cpp b/Source/Contents/Actors/MercenaryAI.cpp
new file mode 100644
index 0000000..415c25b
--- /dev/null
+++ b/Source/Contents/Actors/MercenaryAI.cpp
@@ -0,0 +1,18 @@
+#include "Contents/Actors/MercenaryAI.h"
+
+extern "C" {
+#include <lua.h>
+}
+
+// OFFSET: 0x00D9E3F0
+
+// OFFSET: 0x00D9E430
+
+// OFFSET: 0x00D9E570
+// FUNCTION: fn_22331
+void CMercenaryAI::Shutdown() {
+  if (this->state) {
+    lua_close(this->state);
+    this->state = nullptr;
+  }
+}
diff --git a/Source/Contents/Actors/MercenaryAI.h b/Source/Contents/Actors/MercenaryAI.h
new file mode 100644
index 0000000..a63f496
--- /dev/null
+++ b/Source/Contents/Actors/MercenaryAI.h
@@ -0,0 +1,32 @@
+#ifndef RAGNAROK_SOURCE_CONTENTS_ACTORS_MERCENARYAI_H
+#define RAGNAROK_SOURCE_CONTENTS_ACTORS_MERCENARYAI_H
+
+#include <cstddef>
+#include <cstdint>
+
+struct lua_State;
+
+class CMercenaryAI {
+public:
+  /* 0004 */ lua_State* state;
+  /* 0008 */ std::uint32_t actionStarted;
+  /* 000C */ std::uint32_t actionDuration;
+  /* 0010 */ int kind;
+  /* 0014 */ std::uint32_t lastTick;
+
+  virtual ~CMercenaryAI();
+
+  explicit CMercenaryAI(int kind);
+  void Shutdown();
+};
+
+#if defined(_WIN32) && !defined(_WIN64)
+static_assert(sizeof(CMercenaryAI) == 0x18);
+static_assert(offsetof(CMercenaryAI, state) == 0x4);
+static_assert(offsetof(CMercenaryAI, actionStarted) == 0x8);
+static_assert(offsetof(CMercenaryAI, actionDuration) == 0xC);
+static_assert(offsetof(CMercenaryAI, kind) == 0x10);
+static_assert(offsetof(CMercenaryAI, lastTick) == 0x14);
+#endif
+
+#endif
diff --git a/compile.json b/compile.json
index 6c5879a..777aa63 100644
--- a/compile.json
+++ b/compile.json
@@ -266,6 +266,7 @@
   "Source/Contents/ActorNameDirectory.cpp": 4,
   "Source/Contents/Actors/AttackMotion.cpp": 4,
   "Source/Contents/Actors/GameObject.cpp": 4,
+  "Source/Contents/Actors/MercenaryAI.cpp": 4,
   "Source/Contents/Actors/RenderObject.cpp": 4,
   "Source/Contents/Actors/RenderObjectState.cpp": 4,
   "Source/Contents/Actors/SpriteDrawingPolicy.cpp": 4,