Oracion Seis has been wiped out! Natsu and the Alliance have, after a fierce struggle, come out victorious... But, could it just be the beginning of an even greater life and death battle? Incredibly, when all six of Oracion Seis fall, they release the Body Link magic cast on Brain that seals away his alternate personality, the guild master of Oracion Seis, Zero! Zero loves destruction, and holds immense, evil magic power... With Caitshelter in sight, Natsu and the gang do battle with the most powerful foe they've ever faced!