The Void

The Void is everything we know. it is a Universe, the only Universe. The Void is an infinite void of space that contains random little pockets of life. The pockets of life contain Planes and the pockets have an infinite amount of space inside of them which makes it almost impossible to escape them. This would be true if it wasn't for the existence of Gateways.

Gateways
Gateways are very simple at first but the Gateways seem to have infinite complexity to them which some believe is the reason they are able to transport