"Asta will need to get much more powerful if he ever hopes to defeat the demonic leaders of the Spade Kingdom. Things look bleak, but then a mysterious mage named Nacht appears--and he knows a few things about harnessing a devil's power. Does Asta have what it takes to learn how to control his own devil powers and rescue Captain Yami?"--Back cover

Translated from the Japanese. This book reads from right to left. "Parental advisory: Black Clover is rated T for Teen and is recommended for ages 13 and up. This volume contains realistic and fantasy violence"--Preliminary page