Jeanne is conflicted over her concern for the vampires Chloe and Jean-Jacques and her duty as a bourreau to kill them, but Vanitas pleads with her to help him save them. As Astolfo recovers consciousness, he recalls how he and his sister befriended a vampire boy who then killed his entire family and household in revenge for his own family being killed by the Chasseurs' paladins. Vanitas asks Dante to search for the grimoire while he tries to reactivate the Alternate Engine which is powered by a special form of astermite called blue tearstone...