Having finally mastered Devil Union, Asta must head to the Spade Kingdom to help his friends. But he's gonna need some help getting there. And will he be ready for the devilish terrors that await him?
Asta is a young boy who dreams of becoming the greatest mage in the kingdom. Only one problem—he can't use any magic! Luckily for Asta, he receives the incredibly rare five-leaf clover grimoire that gives him the power of anti-magic. Can someone who can't use magic really become the Wizard King? One thing's for sure—Asta will never give up!