Did you mean Armageddon?
Armageddon
noun
°The place where the final battle will be fought between the forces of good and evil.
°The scene of a decisive conflict on a great scale.
synonyms: apocalypse, catastrophe, day of reckoning, destruction more» , disaster, doomsday, end times, end of the world, final judgment, four horsemen of the apocalypse, judgement day, nuclear holocaust, ragnarok