King Arthur (Marvel Comics) vision that his unborn son would rise up and destroy him. This ended up resulting in the birth of Mordred as Merlin worked to prepare King Arthur for the day this prophecy happens. Following a fight with the Romans, King Arthur's half-sister Morgan le Fay became one of the fiercest foes of King Arthur, Merlin, and all of Camelot. When it came to the Battle of Camlann, King Arthur and Mordred faced each other where both of them became badly wounded. In his dying breath, King Arthur instructed Sir Bedivere throw Excalibur into Lake Benoye. At first he was reluctant,
The Winter King (novel) of Clyddno Eiddyn. Gorfyddyd is furious that Merlin might destroy his chance of becoming High King. He refuses Merlin's requests and readies his troops again for battle. Merlin, turning to Derfel, informs him that the Black Shield Irishmen currently allied to Gorfyddyd would switch sides and give Arthur victory. Sure enough, as battle resumes, the Black Shields attack Gorfyddyd and give the victory to Arthur. In the aftermath, Gorfyddyd is fatally wounded but uses his last breath to curse Arthur and declare Guinevere a whore. Cuneglas apologizes to Arthur for his father and swears an alliance will exist between Dumnonia