Chapter 166: Black Snow (2)

d of constitution Why is there our reason for it"Sir, could you please clarify I don't understand!" Xiao Ai asked bluntly."If we delve into this issue, it would take a long time to explain. Simply put...s.The reason is simple. High-grade pills are inherently difficult to refine. It's already great if they can produce middle-grade ones. Superior-grade pills depend on luck, so having even a little is f...