Normally, whether there was a Primordial Demon nearby could be known by looking at the changes in Heaven and Earth Essence Qi, because the power inside a Primordial Demon's body would clash violently with Heaven and Earth Essence Qi.
A Primordial Demon at the Realm Lord Realm was already extremely obvious, and a Primordial Demon at the Earth God Realm was even more so.
But that was under normal circumstances. Chen Fei no longer believed much in so-called normal situations. A Primordial Demon hiding its own Aura was something no cultivator had yet seen before, but perhaps it was simply that every cultivator who had seen it had been erased.
Chen Fei was willing to take the risk and go over now only because fighting for Status Rank Spirit Materials in other small Secret Realms would not be much safer than this place before him.
After being locked onto by that Ancient City several times, Chen Fei was worried whether there might also be Rule Distortion Objects in other small Secret Realms. If he stepped inside when the time came, it would be a lamb entering the tiger's mouth, without even a chance to run.
With the Panel, Chen Fei's advantage was great. But the dangers other cultivators would encounter, Chen Fei would encounter all the same. This would not change just because Chen Fei had the Panel.
When Chen Fei and Zhu Shiyu were a million li from the battlefield, they slowly stopped. Judging from the current situation, that Earth God Realm Primordial Demon should truly have left.
In the eyes of a Primordial Demon of this level, Realm Lord Realm cultivators might not be ants, but they could indeed be swatted dead with a casual slap.
With the Primordial Demons' crazed nature, there was a great chance they