The Strongest Sage with the Weakest Crest 12

In this manga adaptation of the popular light novel series, the world's strongest sage will stop at nothing to get stronger...not even being a "dim wit"!After a little bit of trouble, Matthias and his party became A-rank adventurers, granting them access to their desired destination. However, along the way, they encounter a city controlled by a group of “demions”—a demon subspecies that specializes in teamwork! The demions are using a factory to create a powerful bomb, so Matthias makes the obvious decision to slay every demion in sight!