So after transmigrating and gaining power he had once never dared imagine, Tang Liu would do things that crossed the line, such as attacking the people from Canghui Academy. Logically speaking, the people from Canghui Academy had not actively provoked Shrek Academy. Dai Mubai and Ma Hongjun had been the first to speak rudely, which had ultimately led to the conflict between both sides. Yet even knowing that, Tang Liu had still attacked the people from Canghui Academy. This showed that he did not care much about being bound by rules. What restrained him was not even his own moral principles, but the "kindness" still remaining in his heart. It was precisely because that "kindness" still existed that he would not implicate ordinary people, and why he had later compensated that shopkeeper.
Dai Yunze was different. Though moral principles restrained him, Tang Liu knew all too well how fragile such restraints could be. Perhaps someday, because of some event, Dai Yunze would cast them aside. And an extraordinary person no longer bound by restraint was naturally what people called a "villain." Therefore, Tang Liu still needed to observe Dai Yunze further and continue "testing" him.
Tang Liu had not understood before why that person had not demanded much of him, yet required Dai Yunze to become a "hero." But after thinking it through now, Tang Liu understood the other party's intentions. Still, why make him cultivate a "hero"? Was that person not afraid that Tang Liu would raise Dai Yunze crooked?
But on second thought, this was actually one of that person's tests for him, and whether he passed it would also affect whether he could return "whole" in the end.
So was this a threat?
No, it was a mirror.
Through Dai Yunze, it allowed him to see himself