diff --git a/data/sql/updates/pending_db_world/rev_1593176049024213800.sql b/data/sql/updates/pending_db_world/rev_1593176049024213800.sql
new file mode 100644
index 000000000..02afe4aea
--- /dev/null
+++ b/data/sql/updates/pending_db_world/rev_1593176049024213800.sql
@@ -0,0 +1,4 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1593176049024213800');
+
+DELETE FROM `smart_scripts` WHERE `entryorguid` IN (18341, 1834100, 1834101);
+UPDATE `creature_template` SET `AIName` = '', `ScriptName` = 'boss_pandemonius' WHERE `entry` = 18341;
diff --git a/src/server/scripts/Outland/Auchindoun/ManaTombs/boss_pandemonius.cpp b/src/server/scripts/Outland/Auchindoun/ManaTombs/boss_pandemonius.cpp
new file mode 100644
index 000000000..ea7631625
--- /dev/null
+++ b/src/server/scripts/Outland/Auchindoun/ManaTombs/boss_pandemonius.cpp
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-GPL2
+ * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ */
+
+#include "ScriptMgr.h"
+#include "ScriptedCreature.h"
+#include "Player.h"
+
+enum Texts
+{
+    SAY_AGGRO           = 0,
+    SAY_KILL            = 1,
+    SAY_DEATH           = 2,
+    EMOTE_DARK_SHELL    = 3
+};
+
+enum Spells
+{
+    SPELL_VOID_BLAST = 32325,
+    SPELL_DARK_SHELL = 32358
+};
+
+enum Events
+{
+    EVENT_VOID_BLAST = 1,
+    EVENT_DARK_SHELL
+};
+
+
+class boss_pandemonius : public CreatureScript
+{
+public:
+    boss_pandemonius() : CreatureScript("boss_pandemonius") { }
+
+    CreatureAI* GetAI(Creature* creature) const
+    {
+        return new boss_pandemoniusAI(creature);
+    }
+
+    struct boss_pandemoniusAI : public ScriptedAI
+    {
+        boss_pandemoniusAI(Creature* creature) : ScriptedAI(creature) { }
+        
+        EventMap events;
+
+        void Reset()
+        {
+            events.Reset();
+            VoidBlastCounter = 0;
+        }
+
+        void EnterCombat(Unit*)
+        {
+            me->SetInCombatWithZone();
+
+            Talk(SAY_AGGRO);
+
+            events.ScheduleEvent(EVENT_DARK_SHELL, 20000);
+            events.ScheduleEvent(EVENT_VOID_BLAST, urand(8000, 23000));
+        }
+
+        void KilledUnit(Unit* victim)
+        {
+            if (victim->GetTypeId() == TYPEID_PLAYER)
+                Talk(SAY_KILL);
+        }
+
+        void JustDied(Unit* /*killer*/)
+        {
+            Talk(SAY_DEATH);
+        }
+
+        void UpdateAI(uint32 diff)
+        {
+            if (!UpdateVictim())
+                return;
+
+            events.Update(diff);
+            if (me->HasUnitState(UNIT_STATE_CASTING))
+                return;
+
+            switch (events.GetEvent())
+            {
+            case EVENT_VOID_BLAST:
+                if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 100.0f, true))
+                {
+                    DoCast(target, SPELL_VOID_BLAST);
+                    ++VoidBlastCounter;
+                }
+
+                if (VoidBlastCounter == 5)
+                {
+                    VoidBlastCounter = 0;
+                    events.RescheduleEvent(EVENT_VOID_BLAST, urand(15000, 25000));
+                }
+                else
+                {
+                    events.RescheduleEvent(EVENT_VOID_BLAST, 500);
+                    events.DelayEvents(EVENT_DARK_SHELL, 500);
+                }
+                break;
+            case EVENT_DARK_SHELL:
+                if (me->IsNonMeleeSpellCast(false))
+                {
+                    me->InterruptNonMeleeSpells(true);
+                }
+
+                Talk(EMOTE_DARK_SHELL);
+                DoCast(me, SPELL_DARK_SHELL);
+                events.RescheduleEvent(EVENT_DARK_SHELL, 20000);
+                break;
+            default:
+                break;
+            }
+
+            DoMeleeAttackIfReady();
+        }
+
+        private:
+            uint32 VoidBlastCounter;
+    };
+};
+
+void AddSC_boss_pandemonius()
+{
+    new boss_pandemonius();
+}
diff --git a/src/server/scripts/Outland/CMakeLists.txt b/src/server/scripts/Outland/CMakeLists.txt
index bc44b76b5..a5e37c027 100644
--- a/src/server/scripts/Outland/CMakeLists.txt
+++ b/src/server/scripts/Outland/CMakeLists.txt
@@ -81,6 +81,7 @@ set(scripts_STAT_SRCS
   ${AC_SCRIPTS_DIR}/Outland/Auchindoun/AuchenaiCrypts/instance_auchenai_crypts.cpp
   ${AC_SCRIPTS_DIR}/Outland/Auchindoun/AuchenaiCrypts/auchenai_crypts.h
   ${AC_SCRIPTS_DIR}/Outland/Auchindoun/ManaTombs/boss_nexusprince_shaffar.cpp
+  ${AC_SCRIPTS_DIR}/Outland/Auchindoun/ManaTombs/boss_pandemonius.cpp
   ${AC_SCRIPTS_DIR}/Outland/Auchindoun/ManaTombs/instance_mana_tombs.cpp
   ${AC_SCRIPTS_DIR}/Outland/Auchindoun/ManaTombs/mana_tombs.h
   ${AC_SCRIPTS_DIR}/Outland/Auchindoun/SethekkHalls/boss_talon_king_ikiss.cpp
diff --git a/src/server/scripts/ScriptLoader.cpp b/src/server/scripts/ScriptLoader.cpp
index d0fa08e06..a4d303118 100644
--- a/src/server/scripts/ScriptLoader.cpp
+++ b/src/server/scripts/ScriptLoader.cpp
@@ -472,6 +472,7 @@ void AddSC_boss_exarch_maladaar();           //Auchindoun Auchenai Crypts
 void AddSC_instance_auchenai_crypts();
 void AddSC_boss_shirrak_the_dead_watcher();
 void AddSC_boss_nexusprince_shaffar();       //Auchindoun Mana Tombs
+void AddSC_boss_pandemonius();
 void AddSC_instance_mana_tombs();
 void AddSC_boss_talon_king_ikiss();          //Auchindoun Sekketh Halls
 void AddSC_instance_sethekk_halls();
@@ -906,6 +907,7 @@ void AddOutlandScripts()
     AddSC_instance_auchenai_crypts();
     AddSC_boss_shirrak_the_dead_watcher();
     AddSC_boss_nexusprince_shaffar();       //Auchindoun Mana Tombs
+    AddSC_boss_pandemonius();
     AddSC_instance_mana_tombs();
     AddSC_boss_talon_king_ikiss();          //Auchindoun Sekketh Halls
     AddSC_instance_sethekk_halls();