diff --git a/src/server/game/Scripting/ScriptDefines/DatabaseScript.h b/src/server/game/Scripting/ScriptDefines/DatabaseScript.h
index c975626d4..31da79f71 100644
--- a/src/server/game/Scripting/ScriptDefines/DatabaseScript.h
+++ b/src/server/game/Scripting/ScriptDefines/DatabaseScript.h
@@ -45,6 +45,13 @@ public:
      */
     virtual void OnAfterDatabaseLoadCreatureTemplates(std::vector<CreatureTemplate*> /*creatureTemplates*/) { }
 
+    [[nodiscard]] virtual bool OnDatabasesLoading() { return true; }
+    virtual void OnDatabasesKeepAlive() { }
+    virtual void OnDatabasesClosing() { }
+    virtual void OnDatabaseWarnAboutSyncQueries(bool /*apply*/) { }
+    virtual void OnDatabaseSelectIndexLogout(Player* /*player*/, uint32& /*statementIndex*/, uint32& /*statementParam*/) { }
+    virtual void OnDatabaseGetDBRevision(std::string& /*revision*/) { }
+
 };
 
 #endif
diff --git a/src/server/game/Scripting/ScriptDefines/PlayerScript.h b/src/server/game/Scripting/ScriptDefines/PlayerScript.h
index 7bab66fe4..76ddeebbc 100644
--- a/src/server/game/Scripting/ScriptDefines/PlayerScript.h
+++ b/src/server/game/Scripting/ScriptDefines/PlayerScript.h
@@ -73,7 +73,8 @@ public:
 
     // Called for player::update
     virtual void OnBeforeUpdate(Player* /*player*/, uint32 /*p_time*/) { }
-    virtual void OnUpdate(Player* /*player*/, uint32 /*p_time*/) { }
+    virtual void OnUpdate(Player* /*player*/, uint32 /*p_time*/) {}
+    virtual void OnAfterUpdate(Player* /*player*/, uint32 /*diff*/) {}
 
     // Called when a player's money is modified (before the modification is done)
     virtual void OnMoneyChanged(Player* /*player*/, int32& /*amount*/) { }
diff --git a/src/server/game/Scripting/ScriptDefines/ServerScript.h b/src/server/game/Scripting/ScriptDefines/ServerScript.h
index b09c07ecb..3b20285ef 100644
--- a/src/server/game/Scripting/ScriptDefines/ServerScript.h
+++ b/src/server/game/Scripting/ScriptDefines/ServerScript.h
@@ -57,6 +57,8 @@ public:
      * @return True if you want to continue receive the packet, false if you want to disallow receive the packet
      */
     [[nodiscard]] virtual bool CanPacketReceive(WorldSession* /*session*/, WorldPacket& /*packet*/) { return true; }
+
+    virtual void OnPacketReceived(WorldSession* session, WorldPacket& packet) { }
 };
 
 #endif
diff --git a/src/server/scripts/Northrend/Naxxramas/boss_four_horsemen.h b/src/server/scripts/Northrend/Naxxramas/boss_four_horsemen.h
index 436c93c55..43e87d5a0 100644
--- a/src/server/scripts/Northrend/Naxxramas/boss_four_horsemen.h
+++ b/src/server/scripts/Northrend/Naxxramas/boss_four_horsemen.h
@@ -1,11 +1,12 @@
 #ifndef BOSS_FOURHORSEMEN_H_
 #define BOSS_FOURHORSEMEN_H_
 
+#include "CreatureScript.h"
 #include "Player.h"
-#include "ScriptMgr.h"
 #include "ScriptedCreature.h"
 #include "SpellAuraEffects.h"
 #include "SpellScript.h"
+#include "SpellScriptLoader.h"
 #include "naxxramas.h"
 
 enum FourHorsemenSpells