What Does the Eater's Bone Do?

The Eater's Bone is a pet-summoning item which summons a Baby Eater pet that follows the player around. The Eater's Bone has a 1/20 (5%) chance of being dropped by the Eater of Worlds

. The Baby Eater pet will not teleport to the player when it is far away, unlike most other pets.

What does the baby face monster do in Terraria?

The Bone Rattle is a pet item which summons a Baby Face Monster. The Bone Rattle has a 5% (1/20) chance of being dropped by Brain of Cthulhu or its Treasure Bag in Expert Mode. When the player is flying or far away, the baby Face Monster will appear to hold onto a flying Crimera-like creature to catch up to the player.

How do you make a Eater of Worlds spawner?

This item is crafted using 30 Vile Powder (Which in turn requires 6 Vile Mushrooms at Placed Bottle/Alchemy Table) and 15 Rotten Chunks, a common drop from Corruption enemies. It would also require a Demon/Crimson Altar. An alternative to this method is to break 3 Shadow Orbs.