Maybe a spoiler idk just my hypothesis (using big words here......my ADHD is kicking in)
Looks like just according to my analysis and overthinking nonameds probably are beings just plopped into the earth..... something like that, seeing how they're all orphans with no memory of past
Damnnn looks like the gates will close if it engulfs the berserk nonameds........ I'm real curious as to how the author manages to save the guy