C365 Thorough Analysis

Kang Zhen stared straight at Zuo Feng. Before he answered Zuo Feng's question, he already knew what the problem was with the pill.

As the successor of the Alchemy family, he was very clear on the tricks of being a high-level alchemist. Every alchemist from every Alchemy family, or even from the Black Tortoise Empire, would use this method to earn themselves some additional benefits