The City Below The Dungeon

The City Below The Dungeon summary:

In the realm Estard, there were different races but their ultimate goal was the dungeons. Even though, you can lose your life if you were careless, it is still the quickest way to get rich. Many parties got fame and more and more dungeons got conquered so the G.o.ds threw dice and made new dungeon masters to appear and take care of the old dungeons which they only care about. Then how does a...