C269 fight
Bai Ling and the Dark Face had indeed told Liu Yu about Ye Xuan's strength. There weren't many people that could cause Bai Ling and the Black Face to suffer losses, so Liu Yu was very interested in Ye Xuan as well.
Secondly, Ye Xuan had blocked Bai Ling's mission, so news of this matter had also spread to the Palace Chief of Huang Mansion