C2502 Perfect Yuan Dan

Su Ling'er's talent and speed had once again exceeded Liu Bo's imagination. According to his prediction, Su Ling'er's miraculous efficiency in refining the perfect Yuan Dan pill within three days was already close to that of a miracle.

But in the end, Su Ling'er had spent less than two days to refine a total of ten perfect looking pill!

"This perfect quality of pill is too difficult to refine