This was indeed the case. The strongest among these friends of the Zheng family was only at the foundation establishment stage, and it was likely that they had no hope of improving their own level in this life. Moreover, they were also rogue cultivators. It could be said that they were the group of people living at the bottom of the cultivation world.
The head of the water control division was a nascent Soul Stage cultivator. To these people, a nascent Soul Stage cultivator was a high and mighty existence that they couldn't hope to reach. In addition, there were many core formation stage cultivators in the water control division. Yet, Zhao Hai killed them without hesitation, as if he didn't care about them at all. This made the friends of the Zheng family think that they had heard wrong.