is often an enemy of Arthur's jester knight Dinadan, and (as in the Post-Vulgate Cycle) even destroys Camelot after the death of Arthur, allying himself with the pagan Saxons and killing the archbishop.

Some Post-Vulgate variants end with the death of Mark. In Micheau Gonnot's Arthurian Compilation, he is ambushed by the sons of his baron Dinas, who