C140 A Mutation Happened

"Tell me, what kind of Cultivation Technique is this Young Master Shen Yih's Cultivation? Why does it require the blood of a hundred year old cultivation's Wyvern Demon?" The people from the Xu Family were standing outside the cave and asked curiously.

"How can such a genius be an existence that we can figure out?" Xu Dawei shook his head and said, "We should do our job well