Along the way, he's helped by several allies, including the sharp-tongued magical book Grimoire Weiss, a crude and vulgar woman named Kainé who is often shunned by others due to how half of her body is possessed by a dark Shade creature, and Emil, a young boy who suffers from a condition that causes anyone who makes eye contact with him to turn to stone.
His true purpose was to unite with Grimoire Noir and restore the Gestalts to their Replicant shells, but he abandoned his duty rather than betray Nier, of whom he had grown so fond.
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