C359 Spy

Sima Yan's words were like a knife stabbing into Ma San's heart. He had experienced a lot of things, so he naturally saw things more clearly than Ma San, who only knew how to refine pills.

"It's not my fault that my pill refining skills are high. I won't stop others from doing business. Why would they do this to me?" Ma San He still couldn't understand this logic.

"The reason is very simple