MC play around too much, MC hated Danzo but did not get rid of him, instead MC let Danzo create bunch of trouble, though none of the trouble create is really bad for MC.

Xenophobic MC, hate all alien race except human because they might be an enemy, that is fine but don't pretend to be benevolent or good when forcing the alien to hand over treasure so that they could live even when the alien has not done anything to him or to the human race. "In fact, handing over ninety percent of the Tier 12 weapons, treasures, and rare items was already Lin Yuan's benevolence, considering how difficult it was to cultivate to Tier 12" [ Ch. 518 ].

Does all overpower character have to have some problem some are leaving enemy to bite them n in arse and some must be an idiot. This novel happen to have the MC character still somewhat smart but has to an a**hole and force someone to obey them like slave even though they are no threat and is not hostile in anyway.

somehow someway the best ability is use by the most useless and idiotic mc, dude could use his ability to easily grow intelligence and make money in reasonable way, instead he resort to crime for money. The mc could also just learn from online video for exercise but has to get a another person who may not keep it secret to watch as he change massively and give out the fact that there is something wrong with him.