After all, wanting to open up such vast worlds, even for the Chaos Demigods, is not easily accomplished and must come at a great cost.
In the boundless Chaos, clusters of radiant lights bloom, like thousands of Great Suns, simultaneously shining brightly, illuminating the dim Chaos.
These Great Suns are each a world, floating amidst the Chaos. Although they are not as vast as the Prehistoric World, when combined together, they are exceedingly large, even close to the Prehistoric World before it was repaired.
"The days of the Chaos Demigods are also hard, forced to pioneer sky and earth in the Chaos to evade its devouring."
The Chaos Demigods hide in the worlds they have opened to recuperate, instead of continuing to hide within Chaos, which speaks volumes.
Firstly, because of the fragments, the oppression of the Chaos on internal living beings becomes stronger.