Jaw Bone - The Binding of Isaac

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Jaw Bone is an unlockable familiar in The Binding of Isaac, added in the Afterbirth+ DLC.

Spawns a familiar that follows Isaac and glides across the room in the direction of the first tear fired and returns to Isaac upon hitting a wall.

The familiar deals 7 contact damage to enemies and will pierce through them if it kills them, or bounce back if it doesn't.

Can block enemy projectiles, even when stationary.

Can retrieve pickups.

This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this item for the previous Repentance version, check this page instead.

Defeat ??? as The Forgotten.

Jaw Bone can be found in the following item pools:

Name	Weight
Treasure Room	1.0/1.0
Greed Treasure Room	1.0/1.0

The following tags are applied to this item:

Id	Description
summonable	Can be summoned via Lemegeton.
offensive	Can appear for Tainted Lost.

The following special synergies and interactions for Jaw Bone have been documented.

Mod	Item	Synergy
---	BFFS!	×2 damage.
---	Abyss	Spawns a light grey locust that has a chance to shoot 2-3 bone projectiles upon impact with an enemy. Each bone projectile deals damage equal to the locust's damage.

* Note that not all possible synergies and interactions are listed here.

Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.

Jaw Bone

• Familiar that charges across the room where Isaac fires and deals contact damage to enemies
• Can also grab and retrieve pickup items
• Abyss: x1 bone locust .75x Isaac's damage