The most essential power and tribe, however, were preserved, carrying the hatred of all beings, forming an "undigested world" independent of the Star Continent.
Due to the chaos of world rules in such a world, the various forces of the Star Continent are unable to send top combat power into it.
Especially when the development of the Underground City's tribes is at its weakest, the restriction of such world rules also becomes the strongest, often allowing only a few people to enter the Underground City.
Sometimes it even allows only one person to enter with a legendary status.
That sole legend is the hero blessed by the world.
Look at the configuration of the Hero Squad back then.
The supernova of the Thief Guild that appeared suddenly, Heisen Bansha.
The half-elf, weathered by the ages, whose combat skills rival that of the primal race's divine marksman, Lumi.
