Underworld

The Underworld is a layer of reality. It is infinite, like the Multiverse and Void, and has been around since the dawn of reality 13.7 billion years ago. The place is an infinite flat unbrekable black substance with a red sky. There is a dim fog that clings to the ground.

The Underworld is ruled by the Devil, who was created when everything else was. The population of the Underworld consists of various sinful beings from across the multiverse, with the later arrival of any Delarosian that perished whilst playing SATAN in -997860.