diff --git a/Source/Client/Session.cpp b/Source/Client/Session.cpp
index b2549b3..cace029 100644
--- a/Source/Client/Session.cpp
+++ b/Source/Client/Session.cpp
@@ -1,4 +1,8 @@
 #include "Client/Session.h"
+#include "Network/TextEncoding.h"
+
+#include <cstring>
+#include <windows.h>
 
 // STATIC: 0x01732638
 // GLOBAL: gl_24474
@@ -25,3 +29,36 @@ void CSession::ClearItemSelection() {
     }
   }
 }
+
+// OFFSET: 0x00E3CFF0
+// FUNCTION: fn_24179
+bool CSession::IsReducedSkill(int skillId) const {
+  switch (skillId) {
+  case 4217:
+  case 4218:
+  case 4219:
+  case 4220:
+  case 4221:
+  case 4308:
+  case 4315:
+    return true;
+  default:
+    return false;
+  }
+}
+
+// OFFSET: 0x00DFF1F0
+// FUNCTION: fn_23614
+char* CSession::ConvertTooltipText(const char* source, char* output) const {
+  if (output != source) {
+    std::strcpy(output, source);
+  }
+
+  for (char* current = output; *current != '\0'; current = CharNextExA(static_cast<WORD>(g_textCodePage), current, 0)) {
+    if (*current == '_') {
+      *current = ' ';
+    }
+  }
+
+  return output;
+}
diff --git a/Source/Client/Session.h b/Source/Client/Session.h
index 6c76391..90d7090 100644
--- a/Source/Client/Session.h
+++ b/Source/Client/Session.h
@@ -114,6 +114,8 @@ public:
   int GetPetHungryState(int hunger);
   int GetPetEmotionNumber(int job, int action, int hungerLevel);
   void ClearItemSelection();
+  bool IsReducedSkill(int skillId) const;
+  char* ConvertTooltipText(const char* source, char* output) const;
   int MercSkillLevel(int skillId) const;
   int SyncUnknown0E98();
 };
diff --git a/Source/Contents/Items/ItemInfo.cpp b/Source/Contents/Items/ItemInfo.cpp
index 3ec1bde..9eda18a 100644
--- a/Source/Contents/Items/ItemInfo.cpp
+++ b/Source/Contents/Items/ItemInfo.cpp
@@ -204,3 +204,10 @@ bool ItemInfo::HasSpecialCard() const {
   std::memcpy(&card, this->unknown_001C, sizeof(card));
   return card == 254 || card == 255;
 }
+
+// OFFSET: 0x006D89D0
+// FUNCTION: fn_06603
+bool ItemInfo::IsApprenticeItem() const {
+  const unsigned id = static_cast<unsigned>(std::atoi(this->itemId.c_str()));
+  return id - 9001u <= 498u || id - 10000u <= 999u;
+}
diff --git a/Source/Contents/Items/ItemInfo.h b/Source/Contents/Items/ItemInfo.h
index 20be855..ff69dba 100644
--- a/Source/Contents/Items/ItemInfo.h
+++ b/Source/Contents/Items/ItemInfo.h
@@ -47,6 +47,7 @@ struct alignas(8) ItemInfo {
   bool SetName(const char* name);
   void SetItemId(int value);
   bool HasSpecialCard() const;
+  bool IsApprenticeItem() const;
   /* 0000 */ std::uint32_t unknown_0000[4];
   /* 0010 */ std::int32_t quantity;
   /* 0014 */ std::uint32_t unknown_0014[2];
diff --git a/Source/Render/Textures/Texture.cpp b/Source/Render/Textures/Texture.cpp
index 214b884..f0dcd32 100644
--- a/Source/Render/Textures/Texture.cpp
+++ b/Source/Render/Textures/Texture.cpp
@@ -34,6 +34,13 @@ std::uint32_t CTexture::Retain() {
   return ++this->unknown_001C;
 }
 
+// OFFSET: 0x005724F0
+// FUNCTION: fn_02473
+std::uint32_t CTexture::Touch() {
+  this->unknown_0020 = timeGetTime();
+  return this->unknown_0020;
+}
+
 // OFFSET: 0x005724E0
 // FUNCTION: fn_02472
 std::uint32_t CTexture::Release() {
diff --git a/Source/Render/Textures/Texture.h b/Source/Render/Textures/Texture.h
index 0fbf6f7..9399b9b 100644
--- a/Source/Render/Textures/Texture.h
+++ b/Source/Render/Textures/Texture.h
@@ -29,6 +29,7 @@ public:
   void StretchTo(RenderPrimitivePool& pool, RenderQueues& queues, int x, int y, int width, int height, bool depthAlpha, float depthStart, float depthEnd);
   std::uint32_t SetImageSize(std::uint32_t width, std::uint32_t height);
   std::uint32_t Retain();
+  std::uint32_t Touch();
   std::uint32_t Release();
   int SetName(const char* name);