There's nothing wrong with the protagonist

I bred countless yuanhui in the chaos, and wandered in the endless evil for countless years. I have killed countless creatures, until finally I was hit in the knee when I participated in the Lich War One arrow... You actually dare to challenge me!You are looking for your own death!I used to be a bloodthirsty demon, and even Sanqing's brother-in-law. I was the leader of the second floor of the Supreme Nine Heavens... until the knees, bah, put the knees down first. Of course, the recent changes in personnel and work, I also changed jobs to start In order to save the world's gods, he is the kind who has a lot of younger brothers and doesn't need to collect debts from world to world.Surrender your faith, whoever believes in me will have eternal life!Of course, all of our believers must be soft girls. Guys, please go out and turn right. On the fifth floor of the Nine Heavens, welcome to the Knights Templar!What?You just want to fuck? ! MDZZ, let's go, the Buddhist group on the first floor and the third district of Taishang Nine Heavens needs you, and now you can join and get a set of [-] arhats!Content tags: Science Fiction Comics Fantasy Space Traveling Through Time and Space┃ Search keywords: Protagonist: Styx, Zhang Yu┃ Supporting role: Sakura Matou, Zihua, Alice Mayfair, Rin Tosaka, original version of Kwai Haru Hino Dome