The writing is pretty dumb and art or atleast character designs are mid, but i still enjoyed this so far since there aren't any annoying side characters and the pacing is nice. The MC is both overpowered but somehow still relatively weak at the same time which I don't really understand. In literally the first page of chapter 1 he talks about how he failed to make a sword with the density on par with a NEUTRON STAR (suggesting that he has the power to wield an object that heavy/dense...) but the rest of the manga suggests that his full power doesn't even go beyond castlelevel despite him having countless insanely broken powers and tools.
I feel like the author wants the MC to be stupidly overpowered but also not at the same time which is confusing to me.

Well my complaints aside, this is a fairly mediocre manga that is good enough to waste time on if you're bored