C544 Su Fei's Treatment Plan

"Sixth level?!" Xia Lanwei and Gongsun Bei were also shocked. The two of them did not know much about alchemy, and the Empyrean Essence Draught was also a relatively unpopular pill. Even the alchemist did not know much about it.

The most important function of the Empyrean Essence Draught was to calm the heart and help the user meditate. However