diff --git a/sql/updates/world/custom/custom_2018_11_18_00_world.sql b/sql/updates/world/custom/custom_2018_11_18_00_world.sql
new file mode 100644
index 0000000000..15e901e8c9
--- /dev/null
+++ b/sql/updates/world/custom/custom_2018_11_18_00_world.sql
@@ -0,0 +1 @@
+UPDATE `instance_template` SET `script`= 'instance_blackwing_descent' WHERE `map`= 669;
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/blackwing_descent.h b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/blackwing_descent.h
new file mode 100644
index 0000000000..9a0b912921
--- /dev/null
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/blackwing_descent.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2008-2018 TrinityCore <https://www.trinitycore.org/>
+ * Copyright (C) 2006-2009 ScriptDev2 <https://scriptdev2.svn.sourceforge.net/>
+ *
+ * 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_BLACKWING_DESCENT_H
+#define DEF_BLACKWING_DESCENT_H
+
+#include "CreatureAIImpl.h"
+
+#define DataHeader "BWD"
+#define BWDScriptName "instance_blackwing_descent"
+
+uint32 const EncounterCount = 6;
+
+enum BWDDataTypes
+{
+    // Bosses
+    DATA_MAGMAW                     = 0,
+    DATA_OMNOTRON_DEFENSE_SYSTEM    = 1,
+    DATA_CHIMAERON                  = 2,
+    DATA_ATRAMEDES                  = 3,
+    DATA_MALORIAK                   = 4,
+    DATA_NEFARIANS_END              = 5
+};
+
+enum BWDCreatureIds
+{
+    // Bosses
+    BOSS_MAGMAW     = 41570,
+    BOSS_MAGMATRON  = 42178,
+    BOSS_ARCANOTRON = 42166,
+    BOSS_TOXITRON   = 42180,
+    BOSS_ELECTRON   = 42179,
+    BOSS_CHIMAERON  = 43296,
+    BOSS_ATRAMEDES  = 41442,
+    BOSS_MALORIAK   = 41378,
+    BOSS_NEFARIAN   = 41376
+};
+
+enum BWDGameObjectIds
+{
+};
+
+template <class AI, class T>
+inline AI* GetBlackwingDescentAI(T* obj)
+{
+    return GetInstanceAI<AI>(obj, BWDcriptName);
+}
+
+#define RegisterBlackwingDescentCreatureAI(ai_name) RegisterCreatureAIWithFactory(ai_name, GetBlackwingDescentAI)
+
+#endif
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/instance_blackwing_descent.cpp b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/instance_blackwing_descent.cpp
new file mode 100644
index 0000000000..8be40a7a4a
--- /dev/null
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/instance_blackwing_descent.cpp
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2008-2018 TrinityCore <https://www.trinitycore.org/>
+ * Copyright (C) 2006-2009 ScriptDev2 <https://scriptdev2.svn.sourceforge.net/>
+ *
+ * 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 "Creature.h"
+#include "GameObject.h"
+#include "InstanceScript.h"
+#include "blackwing_descent.h"
+
+ObjectData const creatureData[] =
+{
+    { 0,        0                          }  // END
+};
+
+ObjectData const gameobjectData[] =
+{
+    { 0,        0                          }  // END
+};
+
+DoorData const doorData[] =
+{
+    { 0,        0,          DOOR_TYPE_ROOM }  // END
+};
+
+class instance_blackwing_descent : public InstanceMapScript
+{
+    public:
+        instance_blackwing_descent() : InstanceMapScript(BWDScriptName, 669) { }
+
+        struct instance_blackwing_descent_InstanceMapScript : public InstanceScript
+        {
+            instance_blackwing_descent_InstanceMapScript(InstanceMap* map) : InstanceScript(map)
+            {
+                SetHeaders(DataHeader);
+                SetBossNumber(EncounterCount);
+                LoadObjectData(creatureData, gameobjectData);
+                LoadDoorData(doorData);
+                Initialize();
+            }
+
+            void Initialize()
+            {
+            }
+
+            void OnCreatureCreate(Creature* creature) override
+            {
+                InstanceScript::OnCreatureCreate(creature);
+
+                /*
+                switch (creature->GetEntry())
+                {
+                    default:
+                        break;
+                }
+                */
+            }
+
+            void OnGameObjectCreate(GameObject* go) override
+            {
+                InstanceScript::OnGameObjectCreate(go);
+            }
+
+            bool SetBossState(uint32 type, EncounterState state) override
+            {
+                if (!InstanceScript::SetBossState(type, state))
+                    return false;
+
+                return true;
+            }
+
+            /*
+            void SetData(uint32 type, uint32 data) override
+            {
+                switch (type)
+                {
+                    default:
+                        break;
+                }
+            }
+            */
+
+            /*
+            uint32 GetData(uint32 type) const override
+            {
+                switch (type)
+                {
+                }
+
+                return 0;
+            }
+            */
+
+            /*
+            void WriteSaveDataMore(std::ostringstream& data) override
+            {
+            }
+            */
+
+            /*
+            void ReadSaveDataMore(std::istringstream& data) override
+            {
+            }
+            */
+        };
+
+        InstanceScript* GetInstanceScript(InstanceMap* map) const override
+        {
+            return new instance_blackwing_descent_InstanceMapScript(map);
+        }
+};
+
+void AddSC_instance_blackwing_descent()
+{
+    new instance_blackwing_descent();
+}
diff --git a/src/server/scripts/EasternKingdoms/eastern_kingdoms_script_loader.cpp b/src/server/scripts/EasternKingdoms/eastern_kingdoms_script_loader.cpp
index 6266b6bb51..40d7d00268 100644
--- a/src/server/scripts/EasternKingdoms/eastern_kingdoms_script_loader.cpp
+++ b/src/server/scripts/EasternKingdoms/eastern_kingdoms_script_loader.cpp
@@ -73,6 +73,7 @@ void AddSC_boss_flamegor();
 void AddSC_boss_chromaggus();
 void AddSC_boss_nefarian();
 void AddSC_instance_blackwing_lair();
+void AddSC_instance_blackwing_descent();     //Blackwing Descent
 void AddSC_instance_deadmines();             //Deadmines
 void AddSC_boss_glubtok();
 void AddSC_boss_helix_gearbreaker();
@@ -294,6 +295,7 @@ void AddEasternKingdomsScripts()
     AddSC_boss_chromaggus();
     AddSC_boss_nefarian();
     AddSC_instance_blackwing_lair();
+    AddSC_instance_blackwing_descent();     //Blackwing Descent
     AddSC_instance_deadmines();             //Deadmines
     AddSC_boss_glubtok();
     AddSC_boss_helix_gearbreaker();