C629 An Unknown Secret

He wouldn't believe it.

Otherwise, how could Ye Feng bring out such precious information? This was enough to change the world of alchemy.

Lin Yiyao took a look at this information and was immersed in it.

After a long time, she came back to her senses. This information had already been shown to her seven or eight times.

"I am confident that I can refine a tier 7 medicinal pill