In a world of magic, Asta, a boy with anti-magic powers, will do whatever it takes to become the Wizard King!To save Yami, the Black Bulls storm their way into enemy territory. And with a powered-up Asta joining the fight, the battle may be going their way. But when the most powerful devil in the underworld finally makes his appeareance, the entire world may be on the verge of destruction!To save Yami, the Black Bulls storm their way into enemy territory. And with a powered-up Asta joining the fight, the battle may be going their way. But when the most powerful devil in the underworld finally makes his appeareance, the entire world may be on the verge of destruction!