[2] Mordred is the traitorous, illegitimate son of King Arthur Pendragon of Camelot and his sister Morgause, born somewhere in the Orkney Isles of Great Britain.
[volume & issue needed] In modern times, Mordred's spirit has been allowed by the evil Celtic "Nether Gods" he serves to become active on Earth.
During this time, his father King Arthur became a pawn of Merlyn, and a sworn enemy of mutantkind, which he and his allies called "Witchbreed" or "Friends of Mordred".
[9] Once King Arthur confirmed this and that Mordred was prophesied to overthrow him, they returned to Krakoa and convinced the Five to resurrect him, using a vial of Otherworldly water in place of the standard genetic material.
At that moment, Roma Regina gave all those present a magical vision, declaring them the Knights of X, and giving them a quest to find the lost Siege Perilous.
After the factory was destroyed by Rictor and Shatterstar with Gia's help, the team headed toward Savalith, an ancient civilization founded by vampire-like beings.
[11] After regrouping to save Mad Jim Jaspers in the Crooked Market, Gambit sacrificed himself against King Arthur's forces gaining the team access to Mercator, an Otherworld domain created by Mister M out of the Siege Perilous.
[12] Mordred was an athletic man, and was an expert swordsman and horseman and proficient jouster; skills he had developed at Arthur's court.