[quote=@The Harbinger of Ferocity]
I see no issue with adding other forms of astral magic that invoke certain fringes of it, the topic is exceedingly broad. However, I cannot say I know much of what the cosmology of the universe is in this case, [@ZAVAZggg]. The Aspect's powers certainly do not touch on those elements but I have as of yet not seen anything preventing that approach.
[/quote]

True. Given it's rather unfounded nature though, and my own desire of having as much new lore mesh as closely as possible with what is already there, I might just make demons Daemons. Usually malevolent spirits that inhabit a certain plane or part of the astral plane itself. Might base the more evil entities on the idea of various forms of entropy, with the more morally good ones on the various forms of restoration or order.