[Coughs] two steps from hell [Coughs] or........
GGGWWAARRRR!!!!!!! Scratch that, people would be too busy either moshing or laughing themselves to death.
But seriously, Atrium Carceri. YouTube their album called "The Untold". Listen while in Barovia. It'll will send your soul into a bleak oblivion to which there is no return. Best dark ambient in this side of reality.