C409 Swallowing Pill

Refining pills was a complex process. Yu Kun had consumed the essence of an Alchemist, yet he had no interest in the art of pill refining.

The principles of pill refining were akin to the chemistry Yu Kun had studied in his past life. An Alchemist had to monitor the reactions of various herbs within different apparatuses.

Back then, Yu Kun's chemistry grades were subpar