From beginning to end, the main character suffered. And so that there was not a little suffering, the author lowered the mental abilities of the characters.
The chapters are long. The world is small. All names change. The dialogues between students and masters are almost all like this: "The student is guilty. Punish him." And this is for any empty ones. And the master will say in response: "No, you are saying everything right."
Ling'er is hardly mentioned after some events. Some storylines are not explained. There is no motivation for action in some moments.
The combat system and fights are also bad