diff --git a/sql/updates/world/custom/custom_2020_01_08_00_world.sql b/sql/updates/world/custom/custom_2020_01_08_00_world.sql
new file mode 100644
index 00000000000..14f807c0b5b
--- /dev/null
+++ b/sql/updates/world/custom/custom_2020_01_08_00_world.sql
@@ -0,0 +1,4 @@
+UPDATE `instance_template` SET `script`= 'instance_end_time' WHERE `map`= 938;
+UPDATE `instance_template` SET `script`= 'instance_well_of_eternity' WHERE `map`= 939;
+UPDATE `instance_template` SET `script`= 'instance_hour_of_twilight' WHERE `map`= 940;
+UPDATE `instance_template` SET `script`= 'instance_dragon_soul' WHERE `map`= 967;
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/DragonSoul/dragon_soul.h b/src/server/scripts/Kalimdor/CavernsOfTime/DragonSoul/dragon_soul.h
new file mode 100644
index 00000000000..604f0286498
--- /dev/null
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/DragonSoul/dragon_soul.h
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef DEF_DRAGONSOUL_H
+#define DEF_DRAGONSOUL_H
+
+#include "Define.h"
+
+#define DataHeader "DS"
+#define DSScriptName "instance_dragon_soul"
+
+uint32 const EncounterCount = 8;
+
+enum DSDataTypes
+{
+    // Bosses
+    DATA_MORCHOK                = 0,
+    DATA_WARLORD_ZONOZZ         = 1,
+    DATA_YORSAHJ_THE_UNSLEEPING = 2,
+    DATA_HAGARA_THE_STORMBINDER = 3,
+    DATA_ULTRAXION              = 4,
+    DATA_WARMASTER_BLACKHORN    = 5,
+    DATA_SPINE_OF_DEATHWING     = 6,
+    DATA_MADNESS_OF_DEATHWING   = 7
+};
+
+enum DSCreatures
+{
+};
+
+enum DSGameObjectIds
+{
+};
+
+template<class AI>
+AI* GetDragonSoulAI(Creature* creature)
+{
+    return GetInstanceAI<AI>(creature, DSScriptName);
+}
+
+#define RegisterDragonSoulCreatureAI(ai_name) RegisterCreatureAIWithFactory(ai_name, GetDragonSoulAI)
+
+#endif // DEF_DRAGONSOUL_H
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/DragonSoul/instance_dragon_soul.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/DragonSoul/instance_dragon_soul.cpp
new file mode 100644
index 00000000000..76f0a36f212
--- /dev/null
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/DragonSoul/instance_dragon_soul.cpp
@@ -0,0 +1,62 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ScriptMgr.h"
+#include "InstanceScript.h"
+#include "dragon_soul.h"
+
+ObjectData const creatureData[] =
+{
+    { 0, 0  } // END
+};
+
+ObjectData const gameobjectData[] =
+{
+    { 0, 0 } // END
+};
+
+DoorData const doorData[] =
+{
+    { 0, 0, DOOR_TYPE_ROOM } // END
+};
+
+class instance_dragon_soul : public InstanceMapScript
+{
+public:
+    instance_dragon_soul() : InstanceMapScript(DSScriptName, 967) { }
+
+    struct instance_dragon_soul_InstanceMapScript : public InstanceScript
+    {
+        instance_dragon_soul_InstanceMapScript(InstanceMap* map) : InstanceScript(map)
+        {
+            SetHeaders(DataHeader);
+            SetBossNumber(EncounterCount);
+            LoadDoorData(doorData);
+            LoadObjectData(creatureData, gameobjectData);
+        }
+    };
+
+    InstanceScript* GetInstanceScript(InstanceMap* map) const override
+    {
+        return new instance_dragon_soul_InstanceMapScript(map);
+    }
+};
+
+void AddSC_instance_dragon_soul()
+{
+    new instance_dragon_soul();
+}
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/EndTime/end_time.h b/src/server/scripts/Kalimdor/CavernsOfTime/EndTime/end_time.h
new file mode 100644
index 00000000000..3410b8a88c8
--- /dev/null
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/EndTime/end_time.h
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef DEF_ENDTIME_H
+#define DEF_ENDTIME_H
+
+#include "Define.h"
+
+#define DataHeader "ET"
+#define ETScriptName "instance_end_time"
+
+uint32 const EncounterCount = 5;
+
+enum ETDataTypes
+{
+    // Bosses
+    DATA_ECHO_OF_BAINE      = 0,
+    DATA_ECHO_OF_JANA       = 1,
+    DATA_ECHO_OF_SYLVANAS   = 2,
+    DATA_ECHO_OF_TYRANDE    = 3,
+    DATA_MUROZOND           = 4
+};
+
+enum ETCreatures
+{
+};
+
+enum ETGameObjectIds
+{
+};
+
+template<class AI>
+AI* GetEndTimeAI(Creature* creature)
+{
+    return GetInstanceAI<AI>(creature, ETScriptName);
+}
+
+#define RegisterEndTimeCreatureAI(ai_name) RegisterCreatureAIWithFactory(ai_name, GetEndTimeAI)
+
+#endif // DEF_ENDTIME_H
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/EndTime/instance_end_time.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/EndTime/instance_end_time.cpp
new file mode 100644
index 00000000000..bda90c8e455
--- /dev/null
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/EndTime/instance_end_time.cpp
@@ -0,0 +1,62 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ScriptMgr.h"
+#include "InstanceScript.h"
+#include "end_time.h"
+
+ObjectData const creatureData[] =
+{
+    { 0, 0  } // END
+};
+
+ObjectData const gameobjectData[] =
+{
+    { 0, 0 } // END
+};
+
+DoorData const doorData[] =
+{
+    { 0, 0, DOOR_TYPE_ROOM } // END
+};
+
+class instance_end_time : public InstanceMapScript
+{
+public:
+    instance_end_time() : InstanceMapScript(ETScriptName, 938) { }
+
+    struct instance_end_time_InstanceMapScript : public InstanceScript
+    {
+        instance_end_time_InstanceMapScript(InstanceMap* map) : InstanceScript(map)
+        {
+            SetHeaders(DataHeader);
+            SetBossNumber(EncounterCount);
+            LoadDoorData(doorData);
+            LoadObjectData(creatureData, gameobjectData);
+        }
+    };
+
+    InstanceScript* GetInstanceScript(InstanceMap* map) const override
+    {
+        return new instance_end_time_InstanceMapScript(map);
+    }
+};
+
+void AddSC_instance_end_time()
+{
+    new instance_end_time();
+}
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/HourOfTwilight/hour_of_twilight.h b/src/server/scripts/Kalimdor/CavernsOfTime/HourOfTwilight/hour_of_twilight.h
new file mode 100644
index 00000000000..bdf64b56e8c
--- /dev/null
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/HourOfTwilight/hour_of_twilight.h
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef DEF_HOUROFTWILIGHT_H
+#define DEF_HOUROFTWILIGHT_H
+
+#include "Define.h"
+
+#define DataHeader "HOT"
+#define HOTScriptName "instance_hour_of_twilight"
+
+uint32 const EncounterCount = 3;
+
+enum HOTDataTypes
+{
+    // Bosses
+    DATA_ARCURION               = 0,
+    DATA_ASIRA_DAWNSLAYER       = 1,
+    DATA_ARCHBISHOP_BENEDICTUS  = 2
+};
+
+enum HOTCreatures
+{
+};
+
+enum HOTGameObjectIds
+{
+};
+
+template<class AI>
+AI* GetHourOfTwilightAI(Creature* creature)
+{
+    return GetInstanceAI<AI>(creature, HOTScriptName);
+}
+
+#define RegisterHourOfTwilightCreatureAI(ai_name) RegisterCreatureAIWithFactory(ai_name, GetHourOfTwilightAI)
+
+#endif // DEF_HOUROFTWILIGHT_H
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/HourOfTwilight/instance_hour_of_twilight.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/HourOfTwilight/instance_hour_of_twilight.cpp
new file mode 100644
index 00000000000..8760d08437b
--- /dev/null
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/HourOfTwilight/instance_hour_of_twilight.cpp
@@ -0,0 +1,62 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ScriptMgr.h"
+#include "InstanceScript.h"
+#include "hour_of_twilight.h"
+
+ObjectData const creatureData[] =
+{
+    { 0, 0  } // END
+};
+
+ObjectData const gameobjectData[] =
+{
+    { 0, 0 } // END
+};
+
+DoorData const doorData[] =
+{
+    { 0, 0, DOOR_TYPE_ROOM } // END
+};
+
+class instance_hour_of_twilight : public InstanceMapScript
+{
+public:
+    instance_hour_of_twilight() : InstanceMapScript(HOTScriptName, 940) { }
+
+    struct instance_hour_of_twilight_InstanceMapScript : public InstanceScript
+    {
+        instance_hour_of_twilight_InstanceMapScript(InstanceMap* map) : InstanceScript(map)
+        {
+            SetHeaders(DataHeader);
+            SetBossNumber(EncounterCount);
+            LoadDoorData(doorData);
+            LoadObjectData(creatureData, gameobjectData);
+        }
+    };
+
+    InstanceScript* GetInstanceScript(InstanceMap* map) const override
+    {
+        return new instance_hour_of_twilight_InstanceMapScript(map);
+    }
+};
+
+void AddSC_instance_hour_of_twilight()
+{
+    new instance_hour_of_twilight();
+}
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/WellOfEternity/instance_well_of_eternity.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/WellOfEternity/instance_well_of_eternity.cpp
new file mode 100644
index 00000000000..97f8be4de2c
--- /dev/null
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/WellOfEternity/instance_well_of_eternity.cpp
@@ -0,0 +1,62 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ScriptMgr.h"
+#include "InstanceScript.h"
+#include "well_of_eternity.h"
+
+ObjectData const creatureData[] =
+{
+    { 0, 0  } // END
+};
+
+ObjectData const gameobjectData[] =
+{
+    { 0, 0 } // END
+};
+
+DoorData const doorData[] =
+{
+    { 0, 0, DOOR_TYPE_ROOM } // END
+};
+
+class instance_well_of_eternity : public InstanceMapScript
+{
+public:
+    instance_well_of_eternity() : InstanceMapScript(WOEScriptName, 939) { }
+
+    struct instance_well_of_eternity_InstanceMapScript : public InstanceScript
+    {
+        instance_well_of_eternity_InstanceMapScript(InstanceMap* map) : InstanceScript(map)
+        {
+            SetHeaders(DataHeader);
+            SetBossNumber(EncounterCount);
+            LoadDoorData(doorData);
+            LoadObjectData(creatureData, gameobjectData);
+        }
+    };
+
+    InstanceScript* GetInstanceScript(InstanceMap* map) const override
+    {
+        return new instance_well_of_eternity_InstanceMapScript(map);
+    }
+};
+
+void AddSC_instance_well_of_eternity()
+{
+    new instance_well_of_eternity();
+}
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/WellOfEternity/well_of_eternity.h b/src/server/scripts/Kalimdor/CavernsOfTime/WellOfEternity/well_of_eternity.h
new file mode 100644
index 00000000000..53b2280518b
--- /dev/null
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/WellOfEternity/well_of_eternity.h
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef DEF_WELLOFETERNITY_H
+#define DEF_WELLOFETERNITY_H
+
+#include "Define.h"
+
+#define DataHeader "WOE"
+#define WOEScriptName "instance_well_of_eternity"
+
+uint32 const EncounterCount = 3;
+
+enum WOEDataTypes
+{
+    // Bosses
+    DATA_PEROTHARN              = 0,
+    DATA_QUEEN_AZSHARA          = 1,
+    DATA_MANNOROTH_AND_VAROTHEN = 2
+};
+
+enum WOECreatures
+{
+};
+
+enum WOEGameObjectIds
+{
+};
+
+template<class AI>
+AI* GetWellOfEternityAI(Creature* creature)
+{
+    return GetInstanceAI<AI>(creature, WOEScriptName);
+}
+
+#define RegisterWellOfEternityCreatureAI(ai_name) RegisterCreatureAIWithFactory(ai_name, GetWellOfEternityAI)
+
+#endif // DEF_WELLOFETERNITY_H
diff --git a/src/server/scripts/Kalimdor/kalimdor_script_loader.cpp b/src/server/scripts/Kalimdor/kalimdor_script_loader.cpp
index f216a707bcc..18a99a3e7f5 100644
--- a/src/server/scripts/Kalimdor/kalimdor_script_loader.cpp
+++ b/src/server/scripts/Kalimdor/kalimdor_script_loader.cpp
@@ -47,6 +47,9 @@ void AddSC_boss_mal_ganis();
 void AddSC_boss_meathook();
 void AddSC_culling_of_stratholme();
 void AddSC_instance_culling_of_stratholme();
+void AddSC_instance_end_time();              //CoT End Time
+void AddSC_instance_well_of_eternity();      //CoT Well of Eternity
+void AddSC_instance_hour_of_twilight();      //CoT Hour of Twilight
 void AddSC_instance_dire_maul();             //Dire Maul
 void AddSC_instance_ragefire_chasm();        //Ragefire Chasm
 void AddSC_boss_celebras_the_cursed();       //Maraudon
@@ -174,6 +177,9 @@ void AddKalimdorScripts()
     AddSC_boss_meathook();
     AddSC_culling_of_stratholme();
     AddSC_instance_culling_of_stratholme();
+    AddSC_instance_end_time();              //CoT End Time
+    AddSC_instance_well_of_eternity();      //CoT Well of Eternity
+    AddSC_instance_hour_of_twilight();      //CoT Hour of Twilight
     AddSC_instance_dire_maul();             //Dire Maul
     AddSC_instance_ragefire_chasm();        //Ragefire Chasm
     AddSC_boss_celebras_the_cursed();       //Maraudon