C402 The Trial Ground

Chen Feng shook his head helplessly. However, the smell of the pill was very good, and it even smelled like something similar. The feeling of a middle-grade pill was something that no one could touch.

He didn't know much about pill, but he had seen a lot of them. If he saw too many of them, it would be very easy for him to distinguish between good and bad.

High-grade, low-grade, middle-grade