It was unknown how relics came to be in the Subterranean Sea, and humans couldn't decipher the mechanism behind their special abilities. Humans had only been able to do nothing but basic research on the special ability of each relic, and humans considered relics as valuable as long as the reward outweighed the risks.0

The same was true on the contrary as well. If a relic's side effects were deemed too dangerous, the relic itself was deemed worthless as well. The relic would then meet one of the two fates—they'd either be discarded or be used to deceive and harm people.0

If one were to think carefully about it, one would discover that such a conclusion was too naive. The existence of relics wasn't to be used by humans; there was a deeper reason behind their existence.0

Something above the surface was capable of relicfying just...0