The Strongest Sage with the Weakest Crest 21

With the Boseil dungeon monster overflow sorted, Matthias gets down to business creating some jobs for his domain. The long-neglected dungeon may have created a lot of trouble, but it also yields great benefits, allowing Matty to incorporate his passion for resource harvesting and dungeon demolition into a new industry for Boseil. Once known for its delectable cuisine, Boseil will now be known for refining the finest metal ores!

Volume 21 of The Strongest Sage with the Weakest Crest manga series by Shinkoshoto.