C1750 Dan cheng!

Because of this, Chu Chen was able to devote all of his attention to it. Even the depths of his eyes were constantly flickering with light; it was obvious that Chu Chen was already using up all of his energy.

And Ye Qing who was within the Chaos Tower, could only silently wait.

After all, Ye Qing also understood that she would not be of much help in refining the pill