Fury
From Warhammer 40k - Lexicanum
Furies are winged Daemonic Beasts of Chaos Undivided.
Overview
Despite their insignificant status among Daemons, Furies are dangerous predators in their own right. Their leathery wings enable them to strike swiftly, giving them an advantage over many other Lesser Daemons and Daemonic Beasts.
It is said that Furies are formed from the souls of mortals who preferred to use Chaos for their own gain rather then seeking the patronage of a Chaos God. Without a deity to claim their souls, they are unable to enter a gods realm and thus forced to spend their existence drifting aimlessly through the warp, exposed to its unpredictable nature. The only respite from their fate are daemonic incursions which allow them to escape into real space and vent their wrath upon an unfortunate mortal.1
They are often enslaved and used as hunting beasts by Raptor Cults, particularly the ones of the Night Lords Legion who shun daemonic pacts.2
