Brain (in Japanese: ブレイン, Burein) is a major antagonist in the Fairy Tail franchise. He is the diabolical leader of the Oración Seis, a Dark Guild composed of powerful Mages whose goal was to find an apocalyptic Magic known as Nirvana, which was sealed away long ago. Inside him dwelled another, more evil and dangerous personality known as Zero (ゼロ, Zero), who serves as the true leader of the Oración Seis, before his death at the hands of Cobra. In Fairy Tail 100 Year Quest, Zero was eventually r