C426 Step by Step

This was a voice that was close to that of a middle-aged man. Judging from the voice, the other party should be around thirty years old. However, Zuo Feng could not see the other party's face, nor could he tell how old he was.

"If Ning Xiao is able to concoct the Mysterious rank medicine at the age of thirty, then his talent should be considered as one of the rarest in the world