After wresting the Versus Core from Beelzebub's grasp, Belial plunged it into his own body, transforming into Avatar Belial.  He now wields the powers of a deity, but he is and will always be set on one thing: the resurrection of Lucilius.

But for a fallen angel, the taste of unlimited power is both more exhilarating and dangerous than any wine.  Now that Belial has been intoxicated with destructive impulse, there may be nothing that can stop him from obliterating the skies—not even the decay of his own body.