Fan Casting Black Boris in Justice League Dark Fancast Dceu

He us more powerful than regular Fire Trolls, possibly through cannibalism as his name suggests, and was their king. He made a deal with Felix Faust to join his cabal in order to steal the Books of Magic and use them for their own personal gain. He is sent to attack Constantine and the another of the Justice League Dark but he manage to escape. However, the cabal still manages to acquire the books of magic. In the final battle between them, Black Boris is taken down