VIDEOS:
The Omega Dimension
The Omega Dimension is a frozen Death World that is used as a dumping ground for the worst criminals in the Magic Dimension, who are all encased in ice beforehand. But when the Trix are sent there, Icy uses her ice magic to free herself and her sisters from cryostasis and make their escape.
Example of:
Prison Dimension
Example of:
The Alcatraz