Destiny may not be done with all its mysteries, as a new hidden exotic weapon blueprint has appeared in the game leaving fans speculating what it could be.

Destiny: The Taken King introduced a new mechanic that was not there in Year One, hidden exotic weapons that required a number of steps and quests to unlock and acquire. Players knew these weapons existed, partly because they showed up as a Missing Exotic Blueprint.

After Destiny received the December Update on Tuesday, players noticed that a new Missing Exotic Blueprint showed up under the Year 2 Primary Exotic section of the Exotic Weapon kiosk in the Tower. It shows up as soon as a player purchases the Year Two version of MIDA Multi-Tool from the kiosk. Here’s a video: