Those ridiculous power increases are my favorite.
Concepts of levels get shattered and I'm a happy man.
Dungeon Defense... A logical and morally witty demon king! I'm loving it! Great recommendation.
I̴† հҽɑℓʂ @ithurts
It gets only better from there on, it's probably one of the few Isekai that never bored me, the only reason as to why I didn't finished it, was because I couldn't find the next volumes anywhere