When an ant stood before a giant dragon, even if the dragon were showing the utmost friendliness, the ant would still flee with the highest speed possible.
Not because of anything else, just because there was a tremendous gap between them, a gap between their realms, their overall strength, as well as the superiority between the species. Ordinary Immortal cultivators were still humans, but there was only a tiny trace of human entity left in Heaven Immortals, while Gold Immortals were completely inhuman. As for Primordial Immortals, only heaven knew what they were.