"but in fact, such a system can only operate in a place where the human realm is completely controlled by the temple of heaven." Tang Yu then said what Xia Yu said.

"yes!" Xia Yu nodded and said with some emotion, "but in a word, the system of demons is really very useful. The only bad thing is that everything must be controlled in the hands of the temple of heaven, which is very reluctant for many practitioners."

"have you ever thought about what each level of the demon system represents?" Tang Yu asked again.

"I remember that the system of demons in the human domain seems to have corresponding...