Huangfu Yuan truly had not known this beforehand, and he could not help but feel a wave of emotion. "Though the people of your world cannot cultivate, your exploration of the world is truly extensive."
"Indeed! That is the power of knowledge!" You Yu said.
"This is indeed very useful," Huangfu Yuan agreed. "Those cultivators with Lightning Spiritual Roots have also considered using your method to increase their cultivation, but none of them dared to do so, because it involves too many uncertainties."
Chapter 196