Special Pocket Dimension

A Special pocket Dimension / Reality is a extremely rare, small reality space with extremely varying size and dimensionality, ranging from around a femtometer to a couple million lightyears at the very extremes.

The difference between a Normal and Special pocket dimension is pretty complex, so here is a graph of all the details and differences: Special Pocket Dimensions are the type of universes that reside in the Primordialverse, so any studying about their properties is usually done around The Universe Swarm where they have all split off the Primordialverse.