C544 Dan Fu Needs to be Brief

When Yan Zhengqing returned with a group of servants carrying a large pile of things, Ning Xiao had already copied down the antidote formula.

When Ning Xiao took the copied formula to Yan Zhengqing and told him about it, Yan Zhengqing was dumbfounded. Nan Xiuming was even more exaggerated. He threw the box of Spirit Stones he was carrying in his hand away