C200 Stephen Tian's Explanation

All of a sudden, the meeting hall quieted down. It was so quiet that even breathing could not be heard. The only thing that could be heard was the sound of Yuwen Tian gently blowing the tea leaves.

Before this, the Great Elder and Moyun had already rehearsed. All of this had been going according to the plot that they had rehearsed earlier. However, at this point