Guts the Black Swordsman is on a rampage as Mogus, master inquisitor of the Holy See, readies Guts' beloved Casca to be burned at the stake as a heretic in the forbidding Tower of Conviction. But Casca's demonic Brand of Sacrifice is drawing hideous dark powers to the Tower, and even if Guts can defeat the mighty Mogus, can he save Casca from the ravenous hordes of Hell?