the Faceless One
The Faceless One is the sorcerer who led a coup against Brixx to gain control of the Black Knights. No one has seen his face as he always wears a mask.
In the Campaign . . .
The Faceless One is allegedly the leader of a cult called “The Ebon Triad”. Balabar Smenk believes he has turned what’s left of the Black Knights to this cult. The heroes were asked to kill him and bring his mask to Balabar to prove they killed him.