Grimoire Weiss is a mysterious book of immeasurable wisdom and age that becomes a powerful ally in Nier's journey to cure Yonah. Grimoire Weiss possesses a sharp tongue and an inflated ego, but often feigns ignorance. Whether he does this to test Nier or because he simply loses interest is unknown. What is certain, however, is that he can't stand to have his name abbreviated. He must be addressed by his full name at all times! Aside from being a talking, floating, all-knowing book