Chaos
Limbo
Faerie
Materia
Astral Realms
Eternal Realms
Most Ymireans know, at least dimly, that there are other worlds behind the one they inhabit and sense. Like neighbours in a city tenement, these other worlds are scarcely seen, rarely heard, but always there.
There are three main levels of reality: Material, Astral and Eternal. Beneath these yawns irrational Chaos.