"Human beings were a species that was full of energy and desires. Although they did not boast the powerful techniques that the thirteen ancient demon clans did, their curiosity and ability to reproduce were unlimited.
"More importantly, they could learn things and evolve on their own. Therefore, they could repair the Sectors without being commanded by anyone.
"The Nuwa Clan was very satisfied with the species that was designed to modify the worlds. Therefore, with the strength of the spiral arm of galaxies, they tossed the human beings to all the Sectors that were scattered throughout universe.
"The newborn human beings, as expected, started to learn promptly. They reproduced at a high speed and expanded their species. Meanwhile, they repaired the worlds with the spiritual energy.
"Gradually, all the Sectors were revived again.