"Now that Senior Brother has gotten the message, it will keep him occupied for a while. He will try numerous means to weed out the spy among his juniors. While he's distracted, I can do what I need to do and prepare for the endgame."
The idea that someone from Xiao Mei's circles had sold everyone out was a poisonous seed he had planted in Xiao Mei's mind with his own hands after her first defeat.
The possibility of a betrayal had struck her just as hard as his fists.
From what he knew, she hadn't brought it up to her group. Even whether Chen Yan himself knew about it was doubtful.
To ensure the spread of the paranoia, he had to give Chen Yan a direct hint, without exposing exactly how much he knew.
After all, the information in his hands might not be entirely correct. If he gave away too much, Chen Yan might grasp its origin and the inaccuracies, if there were any.
That would neutralize the threat entirely.
As for the duel itself, it served its own purpose; several, in fact.
