When he has opportunity to chose cheat skill he is presented with lot of options. Most stunning is the skill to save "game" every ten years. Which basically means immortality, ability to see the future and to test people boundries or loyalty. There is also a lot of skills which would make "lunatic difficulty" game bearable (like super strenght or summoning skill. He immiediatly choses crap skill with very limited mind reading. Because he is a good actor. Seriously wtf. Moreover he isn't, he bearly controls himself. Then without the batting of the eye he proceedes to making world powerhouses his enemies, because of course superactor with genius intelligence can't pay up debt 200 gold without it. Or maybe becasue high profile is obvious choice for a weak but cunning MC?
Mother, of his lover, succubus prostitute comes to his castle. He proceeds to beat his lover to test if her mother really loves her. I would be ok if he beat her because he is a sadist and like to beat people or to punish her for her shannigans. That what evil characters should do. But he didn't test anything, there would be million better way to do so.
But that not the end, he freaks out and tells the girl that he absolutly must to kill her mother. Because she somewhat humiliated him or her, by trying to get some money from her abandoned daughter succes. How? Why? There was no humiliation whatsoever. No reason at all. Girl get's angry, hits him. He freaks out because he don't understand why someone don't wan't to see her mother's death. F*ck me. He has like more than 8000 IQ and more then one similar experiences in the past. How autistic can you be? But he has that usless mindreading skill, which can tell how people with high affection feel. It's perfect time to use it. Not. It's better to lose affection and respect. Then he goes to some other lady demon and cries how unreasonable his lover is. She tell him that he is authistic for not understanding basic human interactions. Maybe he could use mindreading to find out what she is talking about? Well f*ck it, it's better to lose affection with my only powerful ally in the foregein and hostile world. So badass.
when he tries to reconcile with patriarch of Hou family and forgives his granddaughter to give him face. Although he still gets betrayed in the end, not challenging superpowerful family and trying to earn their backing instead is rational and smart choice. Normaly in xianxia MC would challenge immortals, when put in the situation MC was in. He eventually starts rampaging and challenging sects, but really this was the situation he was put in against his will, not because he chose to do so with premeditation.
He constantly kills or cripples people with powerful backing without any valid reason. At some point he killed King's Envoy because he dared to offer him business prosposition. Really. This caused a sh*tstorm and small scaled war. It was just exhausting to read an entire arc about something which which was created because such idiotic behaviour. His business model is also stupid and based on absurd level of thougthlessness and greed.
Two sisters mentioned in other reviews are the worst. He has no reason to help them, they are talentless and younger one is retarded. He invest millions in them because they have big boobs, he can't even look at.