C1527 Cooperation from the Demon World

"What method are you talking about?" Hei Yao asked.

"In the territory of the Human Clan, there are Spirit Spring s. Do you know that the Spirit Spring is restraining your demon race's power? " Yun Hao said.

"If not for the existence of the Spirit Spring, the Human Clan would have been destroyed long ago." Gray Silver said.

"Yes, the Spirit Spring were able to restrain the demonic powers