diff --git a/Source/Client/Session.h b/Source/Client/Session.h
index 93327f3..ce6116c 100644
--- a/Source/Client/Session.h
+++ b/Source/Client/Session.h
@@ -93,7 +93,9 @@ public:
   /* 5558 */ int unknown_5558;
   /* 555C */ unsigned char unknown_555C[0x47C];
   /* 59D8 */ LuaScript* m_hotkeyScript;
-  /* 59DC */ unsigned char unknown_59DC[0x28C];
+  /* 59DC */ unsigned char unknown_59DC[0x218];
+  /* 5BF4 */ int m_pairValues[3];
+  /* 5C00 */ unsigned char unknown_5C00[0x68];
   /* 5C68 */ ItemInfo unknown_5C68[5];
   /* 6140 */ std::uint16_t unknown_6140;
   /* 6144 */ std::map<int, SessionRecord6144> unknown_6144;
@@ -124,6 +126,14 @@ public:
   void ClearUnknown1740(int id);
   void ClearUnknown1738(int id);
   std::uint32_t SyncServerTime(std::uint32_t serverTime);
+  std::pair<int, int>* InsertPair(int key, int value);
+  int SetPairValue(int value, int slot);
+  int SetHotkeyEntry(char enabled, int id, int value, int slot);
+  int SetFlag(char value);
+  // INLINED
+  NormalItemSlot& SkillHotkey(int index) {
+    return reinterpret_cast<NormalItemSlot*>(reinterpret_cast<unsigned char*>(this) + offsetof(CSession, unknown_06EB))[index];
+  }
   int GetPetFood(int job);
   void GetPetIllustName(int job, int, char* buffer);
   int GetPetJobByEggItem(int eggItemId);
@@ -178,6 +188,7 @@ static_assert(offsetof(SessionRecord6144, unknown_0030) == 0x30);
 static_assert(offsetof(CSession, m_additionalSkills) == 0x4);
 static_assert(offsetof(CSession, m_level) == 0x1650);
 static_assert(offsetof(CSession, m_hotkeyPage) == 0xBC);
+static_assert(offsetof(CSession, m_pairValues) == 0x5BF4);
 static_assert(offsetof(CSession, m_hotkeyDescriptions) == 0xC0);
 static_assert(offsetof(CSession, m_serverTimeOffset) == 0x794);
 static_assert(offsetof(CSession, m_serverTimeAdjustCount) == 0x798);
diff --git a/Source/Contents/Jobs/JobInheritance.cpp b/Source/Contents/Jobs/JobInheritance.cpp
index af3dd15..0baa420 100644
--- a/Source/Contents/Jobs/JobInheritance.cpp
+++ b/Source/Contents/Jobs/JobInheritance.cpp
@@ -1,9 +1,15 @@
+#include "Client/Mode/ActiveGameMode.h"
+#include "Client/Mode/CMode.h"
+#include "Contents/Items/ItemDescription.h"
+#include "Contents/Skills/SkillInfo.h"
 #include "Client/Session.h"
 #include "Contents/Jobs/JobInheritance.h"
 #include "Contents/Jobs/JobId.h"
 #include "Contents/Skills/PlayerSkillBundle.h"
 #include "Script/LuaScript.h"
 
+#include <string>
+
 namespace {
   // OFFSET: 0x00DFBC00
   // FUNCTION: fn_23585
@@ -125,3 +131,61 @@ int __stdcall GetRealWeaponId(int weapon) {
   }
   return weapon;
 }
+
+// OFFSET: 0x00DFB4B0
+
+// OFFSET: 0x00DFBE10
+// FUNCTION: fn_23590
+bool __stdcall IsVisibleJob(int job) {
+  return job != JT_WARPNPC && job != JT_EFFECTLAUNCHER && job != JT_HIDDEN_NPC;
+}
+
+// OFFSET: 0x00E19230
+
+// OFFSET: 0x00E19530
+// FUNCTION: fn_23841
+int __stdcall GetWeaponViewValue(int weapon) {
+  const int value = FindItemDescription(weapon).unknown_0040;
+
+  if (weapon > 2100 && weapon < 2200 || static_cast<unsigned>(weapon - 28901) <= 0x61 || static_cast<unsigned>(weapon - 460000) <= 0x270F) {
+    return -1;
+  }
+
+  return value;
+}
+
+// OFFSET: 0x00E248F0
+
+// OFFSET: 0x00E25970
+// FUNCTION: fn_23906
+bool ResetHotkeySlots() {
+  g_session.m_hotkeyScript->Call("ResetTheHotKey", "dddd", 1, 132, 192, 18);
+  return g_session.m_hotkeyScript->Call("ResetTheHotKey", "dddd", 1, 135, 36, 18);
+}
+
+// OFFSET: 0x00E25E60
+
+// OFFSET: 0x00E25EE0
+// FUNCTION: fn_23910
+int CSession::SetPairValue(int value, int slot) {
+  if (slot == 0) {
+    this->m_pairValues[0] = value;
+    return value;
+  }
+
+  if (slot == 1) {
+    this->m_pairValues[1] = value;
+    return value;
+  }
+
+  if (slot == 2) {
+    this->m_pairValues[2] = value;
+    return value;
+  }
+
+  return slot;
+}
+
+// OFFSET: 0x00E25F20
+
+// OFFSET: 0x00E26030
diff --git a/Source/Contents/Jobs/JobInheritance.h b/Source/Contents/Jobs/JobInheritance.h
index ad20291..8382a6f 100644
--- a/Source/Contents/Jobs/JobInheritance.h
+++ b/Source/Contents/Jobs/JobInheritance.h
@@ -12,4 +12,15 @@ struct JobInheritance {
   void InitializeSkillTree(CPlayerSkillBundle& bundle, int job);
 };
 
+#include <cstdint>
+#include <string>
+
+bool __stdcall IsVisibleJob(int job);
+int __stdcall GetWeaponViewValue(int weapon);
+int __stdcall GetDualWieldWeaponType(int first, int second);
+bool __stdcall IsJobWeaponAllowed(int job, int slot, std::int64_t weapon);
+int __stdcall GetRealWeaponId(int weapon);
+std::string GetJobTitleString(int job);
+bool ResetHotkeySlots();
+
 #endif