That obscure and deep divine sense only flickered for a moment, but with his current strength breakthrough to the late stage Core Formation, he still clearly captured that instant of spying.
Yang Fei remained secretly vigilant.
This person could hide his divine sense so deeply; if Yang Fei hadn't just made a breakthrough and his divine sense hadn't grown stronger, he probably wouldn't have noticed the other's existence at all.
What made Yang Fei's heart even more alarmed was that, even with his divine sense strength now comparable to the early stage Nascent Soul, he couldn't lock onto the other's exact location!
What does this mean?
It means the realm of the person secretly spying must be at least in the middle stage Nascent Soul or above!
The most critical thing is, whether this person is an enemy or ally, it's hard to say clearly now.
Yang Fei's expression remained unchanged, but internally, he was quickly calculating.
