C451 The Correct Refining Method of Qingsheng Dan!

"Sigh, you should slowly wait. The hall master is currently refining a Qing Sheng Dan!" Dan Feng sighed and gave in. He was helpless against Ye Wuchen. The number of people in the entire Pill Hall who could defeat Ye Wuchen could be counted on one hand.

"Qing Sheng Dan? Is it a Qing Sheng Dan with the flesh and bones of the living dead? " Ye Wuchen's brows twitched. When he became interested