The Bone Rattle is a pet-summoner item that summons a Baby Face Monster. It has a 5% (1/20) chance of dropping from the Brain of Cthulhu, or its Treasure Bag in Expert Mode.
- The pet resembles a Face Monster, but is miniature in size. If this pet needs to catch up to the player, it is carried in flight by what appears to be a mini Crimera.
- Added to the game.