Artifact or Relics are items found on The Abyss by Delvers during their expeditions. While low class artifacts that have little to no use, the higher the grade, the more extraordinary its effects are. They're believed to be leftovers from an ancient civilization, and their functioning can't be comprehended by modern technology, let alone imitated.
Special Grade ArtifactEdit
The most valuable class that can be found. These are items that can change the world and disrupt the balance of power between nations. Retrieving a single one to the surface can guarantee a prosperous future for a whole city or vastly increase the military potential of a country, depending of its uses. According to Jiruo, a Special Grade Artifact's value is so large that it can't be measured. Because these artifacts are so valuable, they're the only artifacts that white whistles are not allowed to keep for their own personal use.
- Unheard Bell: an artifact retrieved by the white whistles Lyza and Ozen. It was discovered somewhere around the 4th layer but in a highly inaccessible place. Somehow, information of its location was leaked and reached multiple countries, which sparked a fierce competition to get it. Not many details are known about its uses, but it is apparently capable of stopping time in some form.
- Eon Depths: an artifact that consists of a strange container with a liquor capable of greatly extending the lifespan of those who drink it.
- Star Thread: A large and thick thread that doesn't break no matter what.
- Soul-Slave Zoaholic: a bottom-shaped artifact big enough to require a fit a huge room. It allows the user who synchronizes with it to plant his soul on other living beings, spreading his conciousness on multiple bodies. However, if the user over-uses it and spreads his conciousness on too many bodies, the individual hosts will grow insane and develop a strange behavior, leading the user to largely lose his sense of self and sanity. If the user has the desire, a mere touch is enough to possess another body, and it's impossible to escape the enchantment. The subject don't necessarily have to be humans, since when it was first discovered, small animals were manipulating small insects into getting eaten. Even though it was officially retrieved and included in the artifact catalogue, the relic was somehow lost fifteen years ago.