Avian Artifact Altar
Avian Artifact Altar is an object unobtainable by players through normal means. This item's information is present in the game files, but not intended by developers to be in players' possession.
Avian Artifact Altar is an object associated with the Avian Mission. It holds the Avian Artifact, the Wheel of Kluex, at the end of the misson. If you spawn this item with admin commands, however, the artifact will not appear.