Some people say that the protagonist is anti-human, so let me talk about my current thinking.

The protagonist is now dark, anti-human, and bad. I don't want to make any excuses. He is in such a state now, so I will describe it according to his state. He will be as bad as he is, and will never leave any room. This is also a process in which the protagonist's V shape forms a long curve. He will also doubt, struggle, and explore the truth, but now he is deeply trapped in the dark side, so his behavior should be like this.

The character's personality and behavior will not remain static, which is also the characteristic of the characters in my works. Of course, I would not write a book with three levels of collapse. The protagonist will naturally return to the light, but this process is destined to be painful and struggling. Light and darkness jump repeatedly? At least I would not create a character so superficially, especially the protagonist.

Don't compare the protagonist's affairs with Darth Krat or Raven, because you are using a part to compare others' overall situation. I don't want to judge whether Tang Xiao is stronger or weaker than people like Raven and Koret when he reaches the end. All I can tell you is that at least he will be complete.