diff --git a/Source/UI/Window/UIWindow.h b/Source/UI/Window/UIWindow.h
index 6df3190..0021112 100644
--- a/Source/UI/Window/UIWindow.h
+++ b/Source/UI/Window/UIWindow.h
@@ -26,6 +26,7 @@ struct tagRECT;
 struct tagSIZE;
 struct ActionFrame;
 class CSprRes;
+class CBitmapRes;
 
 struct UIWindowContext {
   RenderPrimitivePool& primitives;
@@ -147,6 +148,8 @@ public:
   void DrawPanelBackground(TextureNames& names, int y, int width, const char* bitmapName);
   void DrawPanelBackgroundAt(TextureNames& names, int x, int y, int width, const char* bitmapName);
   int DrawButtonBar(TextureNames& names, int style, int width, int rows);
+  int DrawButtonBarAt(TextureNames& names, int style, int x, int width, int rows);
+  CBitmapRes* LoadStyledBitmap(TextureNames& names, int style, const char* format, const char* name);
 
   // INLINED
   bool HasTextBackground() const {
diff --git a/Source/UI/WindowLowerBorder.cpp b/Source/UI/WindowLowerBorder.cpp
new file mode 100644
index 0000000..c2039f5
--- /dev/null
+++ b/Source/UI/WindowLowerBorder.cpp
@@ -0,0 +1,77 @@
+#include "Resource/Bitmap/BitmapResource.h"
+#include "Resource/ResourceMgr.h"
+#include "Resource/TextureNames.h"
+#include "UI/Window/UIWindow.h"
+#include "Utility/Text/FormatString.h"
+
+#include <cstring>
+#include <string>
+
+// OFFSET: 0x008D0BE0
+// FUNCTION: fn_12089
+int UIWindow::DrawButtonBarAt(TextureNames& names, int style, int x, int width, int rows) {
+  if (width == 0) {
+    width = this->geometry.width - x;
+  }
+
+  const int height = this->geometry.height;
+  int leftWidth = 0;
+  int rightWidth = 0;
+  int barHeight = 0;
+
+  CBitmapRes* left =
+    this->LoadStyledBitmap(names, style, "유저인터페이스\\basic_interface\\btnbar_left%d.bmp", "유저인터페이스\\basic_interface\\btnbar_left.bmp");
+  if (left) {
+    leftWidth = left->image.width;
+    barHeight = left->image.height;
+
+    for (int row = 1; row <= rows; ++row) {
+      this->DrawBitmap(x, height - row * barHeight, &left->image, false);
+    }
+  }
+
+  CBitmapRes* right =
+    this->LoadStyledBitmap(names, style, "유저인터페이스\\basic_interface\\btnbar_right%d.bmp", "유저인터페이스\\basic_interface\\btnbar_right.bmp");
+  if (right) {
+    rightWidth = right->image.width;
+
+    for (int row = 1; row <= rows; ++row) {
+      this->DrawBitmap(x - rightWidth + width, height - row * barHeight, &right->image, false);
+    }
+  }
+
+  CBitmapRes* middle =
+    this->LoadStyledBitmap(names, style, "유저인터페이스\\basic_interface\\btnbar_mid%d.bmp", "유저인터페이스\\basic_interface\\btnbar_mid.bmp");
+  if (!middle) {
+    return 0;
+  }
+
+  const int middleWidth = middle->image.width;
+  const int extent = width - rightWidth - leftWidth;
+  const int count = extent / middleWidth + (extent % middleWidth != 0);
+  const int startX = leftWidth + x;
+
+  for (int row = 1; row <= rows; ++row) {
+    int columnX = startX;
+    for (int column = 0; column < count; ++column) {
+      this->DrawBitmap(columnX, height - row * barHeight, &middle->image, false);
+      columnX += middleWidth;
+    }
+  }
+
+  return middle->image.height;
+}
+
+// OFFSET: 0x008D7570
+// FUNCTION: fn_12120
+CBitmapRes* UIWindow::LoadStyledBitmap(TextureNames& names, int style, const char* format, const char* name) {
+  if (style > 0) {
+    if (format && std::strlen(format) != 0) {
+      std::string filename = FormatOwnedString(format, style);
+      return static_cast<CBitmapRes*>(ResourceMgr::Instance().Load(names.Resolve(filename.c_str())));
+    }
+  } else if (name && std::strlen(name) != 0) {
+    return static_cast<CBitmapRes*>(ResourceMgr::Instance().Load(names.Resolve(name)));
+  }
+  return nullptr;
+}
diff --git a/data/compile.json b/data/compile.json
index 5919c3e..efa3b9c 100644
--- a/data/compile.json
+++ b/data/compile.json
@@ -644,6 +644,7 @@
   "Source/UI/Window/WindowRegistration.cpp": 2,
   "Source/UI/Window/WindowRetirement.cpp": 2,
   "Source/UI/WindowBackground.cpp": 2,
+  "Source/UI/WindowLowerBorder.cpp": 2,
   "Source/UI/WindowTitlebar.cpp": 2,
   "Source/Utility/AES.cpp": 0,
   "Source/Utility/Async/AsyncDiagnostic.cpp": 0,