Worlds are not the same.
Heavenly people possess the appearance of humans, but fundamentally, they and humans are two completely different species. If one must make an analogy, the relationship between heavenly people and humans is akin to that of mortals in the Mortal World and the Monster Race. Humans look down upon the Monster Race. The Beast Control Sect even tried various means to enslave Demon Beasts for tens of thousands of years, which they saw as completely normal. Yet, after ascending to the Fairy World, they were enslaved by the heavenly people. This, without a doubt, is deeply ironic.
