After a discovery of ancient artifacts deep within the caverns of the Mantle Crater, a vault was constructed to contain and study them. Using what was believed to be an undiscovered type of Dust, they cracked teleportation technology. It didn't take long for mounds of flesh and blood to start growing from within the walls and otherworldly beasts to spill from the teleporters. The facility was overwhelmed within minutes. Thrown from the airship without even Crescent Rose, separated from your team, you push on — because what choice is there when humanity is counting on you?