Daemon (Warhammer)
In the Warhammer Fantasy and Warhammer 40,000 fictional universes, the Daemons are malevolent spirits born out of the destructive power called Chaos. The daemons found in both universes are very similar, although the precise natures of their creation and existence vary slightly.
Read more about Daemon (Warhammer): Daemons in Warhammer Fantasy, Daemons in Warhammer 40,000, Types of Daemons, Special Relationships With Mortals