Just as the threat of the giant beasts finally passes, a new crisis emerges-a fierce battle erupts against the formidable Chaos Knights! In the midst of this chaos, master swordsman Lancelot faces off against an expert in the art of Iaido. The other Knights of the Apocalypse and their allies find themselves overwhelmed by a barrage of arrows, the menace of petrification, and the terrifying power of the "Testament Beast." Their situation grows dire, and the hope for reversing their fortunes rests with Gawain and Tristan. At the same time, Percival accepts a duel with Mortlach, only to uncover a shocking revelation about his origins!