"This is Yin Energy infiltrating the body..." Old Li said, feeling Shang Yu's pulse, his expression growing increasingly grave. "In all these years, I have never seen a case of Yin Energy infiltration this severe!"
"Old Li!" Xiao Nan finally couldn't help but speak up. "You're so skilled—please, save Shang Xiaoyu!"
"It's not that he can't be saved!" Old Li twisted his beard and took out his ancestral acupuncture needles. "I just find it rather strange. Usually, Yin Energy is left behind after possession, or contracted from visiting forbidden grounds. Looking at his condition, it seems more like he absorbed it voluntarily!"
Chapter 54