The Dark Demiplane is located in the Elemental Plane of Shadow. This demiplane is a large blackness. The lack of light is almost as much as deeper darkness. There is no solid surface, but only some structures floating around. Each of these structures is surrounded by 30 ft. of deeper darkness.
Light None
Gravity None
However most if not all of the structures are subject to objective directional gravity, which is always directed to the surface of the structure. As long as you touch their surface you can stand normally. But by simply jumping you are once again weightless
Time Normal
Shape Self-contained
Alignment None
Energy No
Magic Enhanced (shadow sub-school)
If a spell is enhanced, it functions as if its caster level was 2 higher than normal.
Magic Limited (light sub-school)
Magic can be limited to effects from certain schools or sub-schools, effects with certain descriptors, or effects of a certain level (or any combination of these qualities). Spells and spell-like abilities that don’t meet the qualifications simply don’t work.
A small island under the permanent influence of Planar Refuge. The island is only slightly bigger than the area of the spell, and the edges are dark and colorless. The island holds a small pond and some trees. The water from the pond shines a dim light.
A large circular shaped plateau, engraved with ritualistic lines and sigils. The sigils include multiple circles and a number of overlapping shapes, including a four-pointed star, a pentagram, and a hexagram. The lines are indents on the floor and can be used to hold liquids.
A library filled with books, tomes and scrolls. It holds vast knowledge of magic, rituals and certain historic events.