C642 Chapter 642 concession
"This method came from the Er Dan, but was preserved by the Yun Family. When I went through all of the ancient books, I knew that there were people who found the blood and flesh that could cure the illness in the Yun Family. It was one hundred years after Tyrant passed away, and all that was mentioned was that Tyrant's descendant left behind outside the Er Dan." Duan Chengxuan nodded seriously
