diff --git a/Source/UI/Window/UIBank_NewWnd.h b/Source/UI/Window/UIBank_NewWnd.h
index e652fe2..758bdf3 100644
--- a/Source/UI/Window/UIBank_NewWnd.h
+++ b/Source/UI/Window/UIBank_NewWnd.h
@@ -12,10 +12,13 @@ public:
   long long TransactionAmount(unsigned char deposit);
   void Paint() override;
   bool IsNumeric(std::string text);
+  void AnimateLoading();
 
 protected:
   /* 00B4 */ UIEditCtrl* m_amountEdit;
   /* 00B8 */ std::string m_status;
+  /* 00D0 */ int unknown_00D0;
+  /* 00D4 */ UIWindow* m_loading[4];
   UIButtonContext* m_controls;
 };
 
diff --git a/Source/UI/Window/UIChatRoomWnd.h b/Source/UI/Window/UIChatRoomWnd.h
index 17aea1f..5745984 100644
--- a/Source/UI/Window/UIChatRoomWnd.h
+++ b/Source/UI/Window/UIChatRoomWnd.h
@@ -2,13 +2,18 @@
 #define RAGNAROK_SOURCE_UI_WINDOW_UICHATROOMWND_H
 
 #include "UI/Window/UIFrameWnd.h"
+#include "Contents/UserData/NormalItemSlots.h"
 
 struct UIButtonContext;
 
 class UIChatRoomWnd : public UIFrameWnd {
 public:
+  void Slot11() override;
   void Paint() override;
 
+  /* 00B4 */ unsigned char unknown_00B4[0x6C];
+  /* 0120 */ ChatRoomWndInfo* saved;
+
 protected:
   UIButtonContext* m_controls;
 };
diff --git a/Source/UI/Window/UIHomunInfoWnd.h b/Source/UI/Window/UIHomunInfoWnd.h
new file mode 100644
index 0000000..f0d354e
--- /dev/null
+++ b/Source/UI/Window/UIHomunInfoWnd.h
@@ -0,0 +1,15 @@
+#ifndef RAGNAROK_SOURCE_UI_WINDOW_UIHOMUNINFOWND_H
+#define RAGNAROK_SOURCE_UI_WINDOW_UIHOMUNINFOWND_H
+
+#include "UI/Window/UIFrameWnd.h"
+#include "Contents/UserData/NormalItemSlots.h"
+
+class UIHomunInfoWnd : public UIFrameWnd {
+public:
+  void Slot11() override;
+
+  /* 00B4 */ unsigned char unknown_00B4[0x18];
+  /* 00CC */ HomunInfoWndInfo* saved;
+};
+
+#endif
diff --git a/Source/UI/Window/UILoginOTPWnd.h b/Source/UI/Window/UILoginOTPWnd.h
new file mode 100644
index 0000000..46f16b3
--- /dev/null
+++ b/Source/UI/Window/UILoginOTPWnd.h
@@ -0,0 +1,16 @@
+#ifndef RAGNAROK_SOURCE_UI_WINDOW_UILOGINOTPWND_H
+#define RAGNAROK_SOURCE_UI_WINDOW_UILOGINOTPWND_H
+
+#include "UI/Window/UIFrameWnd.h"
+
+struct UIButtonContext;
+
+class UILoginOTPWnd : public UIFrameWnd {
+public:
+  void Paint() override;
+
+protected:
+  UIButtonContext* m_controls;
+};
+
+#endif
diff --git a/Source/UI/Window/UILoginWnd.h b/Source/UI/Window/UILoginWnd.h
index 168eebe..e8b6280 100644
--- a/Source/UI/Window/UILoginWnd.h
+++ b/Source/UI/Window/UILoginWnd.h
@@ -3,9 +3,17 @@
 
 #include "UI/Window/UIFrameWnd.h"
 
+class UIEditCtrl;
+
 class UILoginWnd : public UIFrameWnd {
 public:
+  void Slot11() override;
   void Paint() override;
+  void SaveLogin();
+
+  /* 00B4 */ UIEditCtrl* idEdit;
+  /* 00B8 */ unsigned char unknown_00B8[0x10];
+  /* 00C8 */ int saveId;
 };
 
 #endif
diff --git a/Source/UI/Window/UIMerInfoWnd.h b/Source/UI/Window/UIMerInfoWnd.h
index 3230ddc..e285e89 100644
--- a/Source/UI/Window/UIMerInfoWnd.h
+++ b/Source/UI/Window/UIMerInfoWnd.h
@@ -2,13 +2,18 @@
 #define RAGNAROK_SOURCE_UI_WINDOW_UIMERINFOWND_H
 
 #include "UI/Window/UIFrameWnd.h"
+#include "Contents/UserData/NormalItemSlots.h"
 
 struct UIButtonContext;
 
 class UIMerInfoWnd : public UIFrameWnd {
 public:
+  void Slot11() override;
   void Paint() override;
 
+  /* 00B4 */ unsigned char unknown_00B4[0x10];
+  /* 00C4 */ MerInfoWndInfo* saved;
+
 protected:
   UIButtonContext* m_controls;
 };
diff --git a/Source/UI/Window/UIMessageBox.cpp b/Source/UI/Window/UIMessageBox.cpp
index e25d72d..2603284 100644
--- a/Source/UI/Window/UIMessageBox.cpp
+++ b/Source/UI/Window/UIMessageBox.cpp
@@ -21,6 +21,18 @@
 #include "UI/Window/WindowBorder.h"
 #include "UI/Window/UIWindowMgr.h"
 #include "UI/Window/UIMerInfoWnd.h"
+#include "UI/Window/UIMessageBoxAutoreturn.h"
+#include "UI/Window/UIMonsterInfoWnd.h"
+#include "UI/Window/UITalkboxTrapInputWnd.h"
+#include "UI/Window/UIHomunInfoWnd.h"
+#include "UI/Window/UIPetInfoWnd.h"
+#include "UI/Window/UIReplayRECControlWnd.h"
+#include "Client/Mode/ActiveGameMode.h"
+#include "Client/Registry.h"
+#include "Utility/Cipher/XorBytes.h"
+#include "UI/Window/UILoginOTPWnd.h"
+#include "UI/Window/InputFocus.h"
+#include "UI/Buttons/UIButton.h"
 #include "Render/Text/TextContext.h"
 #include <cstring>
 
@@ -33,6 +45,35 @@
 namespace {
   constexpr char prefix[] = "유저인터페이스\\";
 
+  template <std::size_t Length, std::uint64_t Key>
+  class EncryptedName {
+  public:
+    explicit EncryptedName(const std::uint8_t (&source)[Length]) : m_encrypted(true) {
+      for (std::uint64_t index = 0; index < Length; ++index) {
+        this->m_text[index] = source[index];
+      }
+    }
+
+    ~EncryptedName() {
+      for (std::uint64_t index = 0; index < Length; ++index) {
+        this->m_text[index] = 0;
+      }
+    }
+
+    const char* Text() {
+      if (this->m_encrypted) {
+        utility::XorBytes(this->m_text, Length, Key);
+        this->m_encrypted = false;
+      }
+
+      return reinterpret_cast<const char*>(this->m_text);
+    }
+
+  private:
+    std::uint8_t m_text[Length];
+    bool m_encrypted;
+  };
+
   // INLINED
   std::uint32_t Palette(ResourceMgr& resources, int x, int y) {
     const auto* resource = static_cast<CBitmapRes*>(resources.Load((std::string(prefix) + "colorchip.bmp").c_str()));
@@ -516,3 +557,35 @@ int UIMessageBox::SendMsg(UIWindow* sender, int message, std::intptr_t a, std::i
     return UIFrameWnd::SendMsg(sender, message, a, b, c, d);
   }
 }
+
+// OFFSET: 0x008BFB70
+
+// OFFSET: 0x008BFBA0
+
+// OFFSET: 0x008C1DB0
+
+// OFFSET: 0x008C1ED0
+
+// OFFSET: 0x008C35A0
+
+// OFFSET: 0x008C35E0
+
+// OFFSET: 0x008C3630
+
+// OFFSET: 0x008C3670
+
+// OFFSET: 0x008C36B0
+
+// OFFSET: 0x008A6DC0
+
+// OFFSET: 0x008B84B0
+
+// OFFSET: 0x008C3620
+// FUNCTION: fn_11826
+void UILoginWnd::Slot11() {
+  this->SaveLogin();
+}
+
+// OFFSET: 0x008C39E0
+
+// OFFSET: 0x008C1F00
diff --git a/Source/UI/Window/UIMessageBoxAutoreturn.h b/Source/UI/Window/UIMessageBoxAutoreturn.h
new file mode 100644
index 0000000..665b644
--- /dev/null
+++ b/Source/UI/Window/UIMessageBoxAutoreturn.h
@@ -0,0 +1,11 @@
+#ifndef RAGNAROK_SOURCE_UI_WINDOW_UIMESSAGEBOXAUTORETURN_H
+#define RAGNAROK_SOURCE_UI_WINDOW_UIMESSAGEBOXAUTORETURN_H
+
+#include "UI/Window/UIFrameWnd.h"
+
+class UIMessageBoxAutoreturn : public UIFrameWnd {
+public:
+  int SendMsg(UIWindow* sender, int message, std::intptr_t a, std::intptr_t b, std::intptr_t c, std::intptr_t d) override;
+};
+
+#endif
diff --git a/Source/UI/Window/UIMonsterInfoWnd.h b/Source/UI/Window/UIMonsterInfoWnd.h
new file mode 100644
index 0000000..c4a6b1a
--- /dev/null
+++ b/Source/UI/Window/UIMonsterInfoWnd.h
@@ -0,0 +1,28 @@
+#ifndef RAGNAROK_SOURCE_UI_WINDOW_UIMONSTERINFOWND_H
+#define RAGNAROK_SOURCE_UI_WINDOW_UIMONSTERINFOWND_H
+
+#include "UI/Window/UIFrameWnd.h"
+
+struct MonsterInfo {
+  /* 0000 */ int unknown_0000;
+  /* 0004 */ int unknown_0004;
+  /* 0008 */ int unknown_0008;
+  /* 000C */ int unknown_000C;
+  /* 0010 */ int unknown_0010;
+  /* 0014 */ int unknown_0014;
+  /* 0018 */ int unknown_0018;
+  /* 001C */ unsigned char unknown_001C;
+};
+
+class UIMonsterInfoWnd : public UIFrameWnd {
+public:
+  int SendMsg(UIWindow* sender, int message, std::intptr_t a, std::intptr_t b, std::intptr_t c, std::intptr_t d) override;
+
+  /* 00B4 */ MonsterInfo info;
+};
+
+#if defined(_WIN32) && !defined(_WIN64)
+static_assert(sizeof(MonsterInfo) == 32);
+#endif
+
+#endif
diff --git a/Source/UI/Window/UIPetInfoWnd.h b/Source/UI/Window/UIPetInfoWnd.h
new file mode 100644
index 0000000..5fe14d9
--- /dev/null
+++ b/Source/UI/Window/UIPetInfoWnd.h
@@ -0,0 +1,15 @@
+#ifndef RAGNAROK_SOURCE_UI_WINDOW_UIPETINFOWND_H
+#define RAGNAROK_SOURCE_UI_WINDOW_UIPETINFOWND_H
+
+#include "UI/Window/UIFrameWnd.h"
+#include "Contents/UserData/NormalItemSlots.h"
+
+class UIPetInfoWnd : public UIFrameWnd {
+public:
+  void Slot11() override;
+
+  /* 00B4 */ unsigned char unknown_00B4[0x4];
+  /* 00B8 */ PetInfoWndInfo* saved;
+};
+
+#endif
diff --git a/Source/UI/Window/UIReplayRECControlWnd.h b/Source/UI/Window/UIReplayRECControlWnd.h
new file mode 100644
index 0000000..93eef13
--- /dev/null
+++ b/Source/UI/Window/UIReplayRECControlWnd.h
@@ -0,0 +1,43 @@
+#ifndef RAGNAROK_SOURCE_UI_WINDOW_UIREPLAYRECCONTROLWND_H
+#define RAGNAROK_SOURCE_UI_WINDOW_UIREPLAYRECCONTROLWND_H
+
+#include "Contents/UserData/NormalItemSlots.h"
+#include "UI/Window/UIFrameWnd.h"
+
+#include <cstdint>
+
+class UIButton;
+struct InputFocus;
+
+class UIReplayRECControlWnd : public UIFrameWnd {
+public:
+  void Slot11() override;
+  void ApplyMode();
+
+  /* 00B4 */ int mode;
+  /* 00B8 */ int unknown_00B8;
+  /* 00BC */ UIWindow* window_00BC;
+  /* 00C0 */ UIWindow* window_00C0;
+  /* 00C4 */ UIWindow* window_00C4;
+  /* 00C8 */ UIButton* button_00C8;
+  /* 00CC */ UIWindow* window_00CC;
+  /* 00D0 */ UIButton* button_00D0;
+  /* 00D4 */ UIWindow* tabs[5];
+  /* 00E8 */ UIWindow* window_00E8;
+  /* 00EC */ UIWindow* window_00EC;
+  /* 00F0 */ std::uint32_t recordStart;
+  /* 00F4 */ UIWindow* options[10];
+  /* 011C */ int unknown_011C;
+  /* 0120 */ int unknown_0120;
+  /* 0124 */ int unknown_0124;
+  /* 0128 */ UIWindow* window_0128;
+  /* 012C */ UIWindow* window_012C;
+  /* 0130 */ int unknown_0130;
+  /* 0134 */ UIWindow* window_0134;
+  /* 0138 */ ReplayRECControlWndInfo* saved;
+
+protected:
+  InputFocus* m_focus;
+};
+
+#endif
diff --git a/Source/UI/Window/UITalkboxTrapInputWnd.h b/Source/UI/Window/UITalkboxTrapInputWnd.h
new file mode 100644
index 0000000..8985ada
--- /dev/null
+++ b/Source/UI/Window/UITalkboxTrapInputWnd.h
@@ -0,0 +1,28 @@
+#ifndef RAGNAROK_SOURCE_UI_WINDOW_UITALKBOXTRAPINPUTWND_H
+#define RAGNAROK_SOURCE_UI_WINDOW_UITALKBOXTRAPINPUTWND_H
+
+#include "UI/Window/UIFrameWnd.h"
+
+class UIEditCtrl;
+
+struct TalkboxTrapTarget {
+  /* 0000 */ int unknown_0000;
+  /* 0004 */ int unknown_0004;
+  /* 0008 */ int unknown_0008;
+  /* 000C */ int unknown_000C;
+};
+
+struct TalkboxTrapRequest {
+  /* 0000 */ TalkboxTrapTarget target;
+  /* 0010 */ const char* text;
+};
+
+class UITalkboxTrapInputWnd : public UIFrameWnd {
+public:
+  int SendMsg(UIWindow* sender, int message, std::intptr_t a, std::intptr_t b, std::intptr_t c, std::intptr_t d) override;
+
+  /* 00B4 */ TalkboxTrapTarget target;
+  /* 00C4 */ UIEditCtrl* edit;
+};
+
+#endif
diff --git a/Source/UI/Window/UIWindowMgr.h b/Source/UI/Window/UIWindowMgr.h
index fc3901a..5f39e58 100644
--- a/Source/UI/Window/UIWindowMgr.h
+++ b/Source/UI/Window/UIWindowMgr.h
@@ -424,6 +424,7 @@ public:
   UIWindow* LookupWindow(int id);
   void GetMiniPartyUsableArea(RECT* area);
   void Schedule(UIWindow* window);
+  void SetUnknown04DC(const char* text);
   void Destroy(UIWindow* window);
   void ForgetWindowReferences(UIWindow* removed);
   void DismissTransient();