The distance between them was quite far, and Chen Fei couldn't discern who the people outside were. Likewise, those outside couldn't determine Chen Fei's identity based on his aura.
That's the nature of core soul energy. It's the second pair of eyes for cultivators, but just like physical eyes, it has its limitations.
However, as core soul energy continued to grow, its capabilities would gradually become stronger.
With core soul energy at the early Aperture Tempering realm, the things sensed beyond a hundred meters would appear much more vague. If the other party intentionally concealed their aura, the information that could be perceived would be even more limited.
Chen Fei stood in place, staring at the entrance of the cave. In the next moment, his figure suddenly disappeared from where he stood, and the top of the cave was directly shattered.
