The Dungeon of Black Company manga volume 6 features story and art by Youhei Yasumura.

Ninomiya Kinji and company arrive at the dungeon’s lowest floor, home of a power strong enough to control the whole world. Their goal was to take down the crooked Raiza’ha company and end its bid for global domination, but what happens if Ninomiya gets his own hands on all that power? The Dungeon of Black Company reaches its dungeon-raiding climax!