This is a place mostly unique to the Tribes of Frontier, although it exists across the world as an overlay of the solid world, defined by the dreams and nightmares.
The Astral Plain is the furthest realm from the real, solid world. It is a construct of the mind that can be manipulated by the constructor.
This is where souls/spirits of all creature go before they return to the wheel to be re-born.
A Strange Realm where Souls that are burdened by the weight of countless lives go.
The Space between worlds, endless, timeless, and horrific.
The home Realm of the Daemons, a realm of fire, pain and suffering, hostile to outsiders.
Other Places of Note.