Magic works differently between the stars. Make sure you are up to date on the most modern scientific theories regarding subspace and hyperspace properties and their relation to summoned creatures.
Several non-corporeal beings native to sub/hyper space have been identified. These differ from interlopers such as the githzerai, in that they exist fully outside our dimension, and can have powers beyond the understanding of normal physics.
The Weaver – entity inhabiting the starcaster of the Umbridge. Directing the shadowrunners to the drow homeworld.
The Veiled Maiden – warmongering entity rumored to be responsible for the Trinity Wars
Abraxus Dar – ascended drow cleric.