C422 Failed Drug Collection

"I'll ask you one last time, where is the antidote?" Mu Zhaoyang narrowed his eyes as he looked at Murong Yun Qing, his gaze filled with killing intent.

Murong Yun Qing said with a chuckle: "The Seven Day Powder is a special recipe used by my Great Yan Imperial Family, and the antidote is naturally in Great Yan. Perhaps there are people in the martial arts world who can use it, so go find them