He was converted to Christianity by Celidoine, the son of Nascien, and he allowed his city to be used as the first Christian stronghold in Britain. By doing this, he broke faith with his overlord, the King of Northumberland, and was attacked. With the help of the Christian knights, he was victorious. He fought to liberate Joseph and his followers from King Crudel, who had imprisoned them.
Tarces | The Legend of King Arthur
Vulgate Estoire del Saint Graal | 1220-1235