C1301
Bai Yu left. Before he left, he explained everything that he needed to explain so Ye Xuan didn't continue to keep him here. In other words, even if he wanted to keep him here, he didn't have the ability to do so.
Although Ye Xuan couldn't be sure of Bai Yu's actual strength, he could tell from his Spirit Blood Sacrifice that Bai Yu's strength was definitely above his own