Xander Ambrosius is one of the major antagonists in The Magic Knight. He is the father of Galahad Du Lac and Christian Ambrosius, Xander is also the ex-husband of Elaine Du Lac. He is the former leader of the Ambrosius Family, before defecting to the Khaos Brigade, more specifically Qlippoth. Xander is known as the 'Strongest Magician'.