Yan Yinwen looked at Chen Fei with some confusion, sensing a slight fluctuation in his aura. However, after a moment, his aura returned to normal.
The boundaries between the Mountain Sea Realm could be judged by one's aura, but this kind of judgment was rather crude, at most revealing the presence of several Divine Palaces.
To precisely discern the extent of the Divine Palaces within one's body was an impossible task.
Especially since Chen Fei's Purple Sky Heavenly Song Sword has already reached a perfect state, his control over his own strength has reached a certain level. It's even less likely for others to perceive the situation of the third Divine Palace.
Therefore, in Yan Yinwen's view, Chen Fei simply experienced a momentary fluctuation in his aura.
