Barely the threat of the Behemoth has departed that the battle against the Knights of Chaos begins! The infallible Lancelot faces Sans-Nom, an expert of the iai, a martial arts technique that consists of drawing his sword to sever his opponent with one gesture. Meanwhile, the other Four Knights of the Apocalypse and their companions have a lot to face with imparable arrows, petrification spells and the Beast Testament, a fusion of six Demons. Will Gawain and Tristan succeed in taking over?!For his part, after his duel against Mortlach, Percival discovers the secret of his birth from his uncle's mouth...The fight ends painfully, and the story will take an unexpected turn!