Surt

=== Surt is the king of Muspelheim. He possessed Valdyra during the Dark Phoenix event, but his nature of power confused her and she believed she was the vessel to the Phoenix entity. He was killed during said event and has not appeared since. It's believed his position was reoccupied by Crowley after his death. ===

History
Surt appeared during the Dark Phoenix event. He was present as a subplot for some time before through possession of Valdyra but has not appeared since due to his death.

Bio
Surt ruled Muspelheim, the archenemy of Jotunheim. Its residents the Muspels are synonymous with demons, making Surt the king of Hell. However Surt was killed during the Dark Phoenix event. He has not been resurrected.

Abilities
Surt had some control over fire and energy, and could convert it into whatever form he wanted to further his survival. He also, like all demons, had the ability to possess others, though he seems to have had the ability to lie dormant inside the vessel for some time.