Lords of Creation: Ancients of the Void
The Maze of the Lost
It essentially swallows up people and souls, sometimes objects, before they reach the Void or otherwise get lost between the folds of time and space. At its heart in a sealed chamber lies one of the last ways to access the Void without simply shifting there as a God might. As a plane, it saps the strength of all magic and prevents teleportation and planar magics.
However, it is the perfect means of getting from Point A to Point B if you don’t care where Point B is. Simply find a door and enter, and then exit through another door that seems and you will be elsewhere, far from wherever it was you were previously.
At this time, the Maze is empty, but given time, souls and immortals may become trapped there if they for some reason choose not to leave, doomed to wander the halls forever.