C233 A Pile of Spirit Stones

Since the class had started, it was impossible for Yue Feng to do such a thing. It was not that he did not want to earn this amount of Spirit Stone, but it was because he was not that knowledgeable on pill refining, so how could he teach these people?

The group of people in front of him were all apothecaries. Yue Feng was a hundred percent sure that they were all more knowledgeable than him