Pocket Dimensions

Those who could do the Pocket Dimension Spell will have a dimensional plane unique to their magic, this cannot be accessed by anybody but the caster though those with a Magical Warrior's gem or a Catalog Spell though that spell needs to be combined with the Dimensional Entering Spell in order to enter someone else's pocket dimension.
Though it can only be done by someone with an Immortal Level.
Pocket Dimensions are usually used for storage or meditation or just a place to hang out.

Geography

Varies through casters
Examples:
Silver Garden

Type

Dimensional plane

Location under

Dimension 7