C167 You Have the Model of a Master Teacher

There's Master Fan.

The profession of an alchemist was divided into one tier, two tier, three tier... and so on according to the level of the alchemist. In each tier, it was also determined by the number of stars according to the level of the alchemist.

Those who could refine low-grade pills were 1-star apothecaries, 2-star apothecaries who could refine middle-grade pills