The French army regroups at the Augustines, an old monastery now turned into a fortress close to Les Tourelles, but Jeanne is now comatose from having lost her heart, with the Stone barely able to keep her alive. Astaroth tells Montmorency that the only way to save her is with Escalibor (Excalibur), another ancient Philosopher's Stone with the power of healing any wound. Since the sword is said to be located in Montmorency's native land Brittany, Alençon requires him to contact his grandfather Jean de Craon and ask him for soldiers to sustain the battle...