Transferred from the large urban parish of York to the isolated backwater of Worth Matravers, Tanchus was the pastor of St Aldhelms Church from its establishment in 1224 until his death in 1238. He was a compassionate man who put the needs of his flock above all else, and the villagers had a quiet respect for him, even though they sometimes found his intellectual talk baffling. Tanchus was a very educated and erudite speaker, and jumped at any chance to engage in intellectual discourse, something he was clearly deprived of amongst the superstitious and illiterate villagers. His speech was littered with quotes from the great thinkers and philosophers, and he tended to deny others arguments unless they could quote a written source. An avid reader, Tanchus would gratefully purchase any book he could get his hands on to help distract him from his intellectual isolation. It was in this way he came into possession of the Diablopsuche, which twisted his thoughts towards heresy. Tanchus came to believe that Christianity was a great lie perpetrated by the Devil, and so became an unwitting tool of the Infernal powers he sought to combat. He was apprehended by Sir Guillame and Prior Eustace, who turned him over to the office of the Bishop of Salisbury. Despite later recanting his heresy, he was burnt at the stake in 1238.