Prior to Purgarth there was the yawning void of mute matter that was Xao. With the rise of matter and material existence, Xao receded into the deepest depths of creation. During this recession, many creatures of Xao became stranded on the edges of the various arising worlds such as Purgarth. Here not only Demons entered the world, but Angels, Oracles, Elementals and various other semi-corporeal, magical entities. Some have learned to adapt to their new environment whilst others – particularly Demons – remain trapped in a tormented half-state.