The worship of 'demonic heads' was one of the charges in the trial of the Templars, and lies behind the serial's 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.
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