diff --git a/Source/Client/Replay.cpp b/Source/Client/Replay.cpp
index a2f3caf3..432d1818 100644
--- a/Source/Client/Replay.cpp
+++ b/Source/Client/Replay.cpp
@@ -1057,3 +1057,19 @@ std::vector<unsigned char> CSession::BuildSkillListReplayPacket(short id) {
     return {};
   }
 }
+
+// OFFSET: 0x00B86440
+// FUNCTION: fn_19329
+void Replay::CachePacket(std::uint16_t id, std::uint16_t size, const unsigned char* data) {
+  if (size == 0 || id > 3142 || data == nullptr) {
+    return;
+  }
+  ReplayCachedPacket& packet = this->cachedPackets[static_cast<short>(id)];
+  if (!packet.enabled) {
+    return;
+  }
+  packet.bytes.resize(size, 0);
+  packet.bytes.assign(data, data + size);
+}
+
+// OFFSET: 0x00E42EB0
diff --git a/Source/Client/Replay.h b/Source/Client/Replay.h
index 52e95655..61d7d41d 100644
--- a/Source/Client/Replay.h
+++ b/Source/Client/Replay.h
@@ -138,6 +138,7 @@ public:
   void ResetFile();
   bool SetOptions(const void* data, int bytes);
   std::vector<unsigned char> ReadSection(int id);
+  void CachePacket(std::uint16_t id, std::uint16_t size, const unsigned char* data);
   bool ReadRecord(unsigned char* buffer, std::uint16_t& id, bool force);
   bool AllowsEvent(int event) const;
   void Rewind();
diff --git a/Source/Client/Session.h b/Source/Client/Session.h
index 9b5966a6..8c7a2cc5 100644
--- a/Source/Client/Session.h
+++ b/Source/Client/Session.h
@@ -493,6 +493,7 @@ public:
   void LoadRobeAlpha();
   void LoadDamageSkinSettings();
   bool LoadMapNameTable();
+  bool LoadFogParameters();
   void ClearHomunStatus();
   std::pair<int, int>* InsertPair(int key, int value);
   int SetPairValue(int value, int slot);
@@ -702,6 +703,7 @@ public:
   std::uint32_t ReadReplayReserved(const std::vector<unsigned char>& data);
   std::uint32_t ReadReplayEntryQueue(const std::vector<unsigned char>& data);
   std::vector<unsigned char> BuildShortcutReplayRecords();
+  std::vector<unsigned char> BuildReservedReplayRecords();
   std::vector<unsigned char> BuildSkillListReplayPacket(short id);
   void SetHomunculusAutoFeed(bool enabled);
   void SetPetAutoFeed(bool enabled);
diff --git a/Source/Contents/ClientTiming.cpp b/Source/Contents/ClientTiming.cpp
index eea11d44..84b22f69 100644
--- a/Source/Contents/ClientTiming.cpp
+++ b/Source/Contents/ClientTiming.cpp
@@ -3,12 +3,14 @@
 #include "Contents/Configuration/ServiceConfiguration.h"
 #include "Contents/MapInfoMgr.h"
 #include "Contents/NavigationManager.h"
+#include "File/File.h"
 #include "Script/LuaScript.h"
 #include "UI/Window/UIWindow.h"
 #include "UI/Window/UIWindowMgr.h"
 #include "Utility/Cipher/XorBytes.h"
 #include "Utility/Text/FormatString.h"
 
+#include <algorithm>
 #include <cstddef>
 #include <cstdint>
 #include <cstdio>
@@ -775,6 +777,8 @@ void CSession::LoadDamageSkinSettings() {
   g_luaScript->Call("GetDamageMillionUnit", "d>d", this->m_damageSkinIndex, &this->m_damageMillionUnit);
 }
 
+// OFFSET: 0x00DE5620
+
 // OFFSET: 0x00DE5B40
 // FUNCTION: fn_23493
 void CSession::ClearHomunStatus() {
diff --git a/Source/Contents/Configuration/ServiceOptions.cpp b/Source/Contents/Configuration/ServiceOptions.cpp
index 74f9903e..dbaaa048 100644
--- a/Source/Contents/Configuration/ServiceOptions.cpp
+++ b/Source/Contents/Configuration/ServiceOptions.cpp
@@ -988,3 +988,5 @@ void RequestPlayerAction31() {
     player->SendMsg(nullptr, 0x1F, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
   }
 }
+
+// OFFSET: 0x006C5B40