A tall humanoid in dark grey, billowy robes. Only it’s hands and lower half of it’s face are visible beneath the hood. It’s skin is alabaster white and it’s eyes are sunken black pits. It’s features are extremely angular.
A soul eater is a fiend that is powerful enough to create a small private pocket dimension to lure in victim’s souls in order to feed.
The party encountered a Soul Eater that had granted an Ogre Magi pact magic in order to serve it.