Out of Place Artifact

The Out of Place Artifacts (for short OOPARTS) are artifacts that have been excavated that either was too hard or right out impossible to create for their age.

Known OOPARTS

 * Gate of Sheol
 * Susano'o Unit
 * Code: Soul Eater
 * Vow Crystal Seal Blade: Murakumo
 * Manifestation Demolition Blade: Kusanagi
 * Sealed Treasure Spear: Izayoi