 The worship of demonic heads was one of the charges in the trial  of the Templars, and lies behind the serials use of the face of  Asmodeus. In reality, the Templar heads were merely the supposed  relics of early Christian martyrs, such as St Euphemia, which the  Templars venerated in typical mediæval fashion. The knights were  brutally tortured into confessing that they were something more  sinister.