Jaw Bone

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Item icon
Item altar
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5.100.548
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Treasure Room Treasure Room
Greed mode only Treasure Room Treasure Room
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(page 5, column 3, row 4)
 
Jaw Bone Defeat ??? as The ForgottenJaw BoneJaw Bone
Added in Afterbirth †

Jaw Bone is an unlockable passive item added in Booster Pack #5.

Effects[edit | edit source]

  • Spawns a familiar that fires across the room in the direction of the first tear fired and returns to Isaac when it hits a wall, similarly to Little Chubby Little Chubby. Deals a flat 7 damage to enemies that come in contact with it.
    • When thrown, the familiar will pierce through enemies if they are killed by the familiar, but the familiar will bounce back to Isaac if the enemy is not killed.
    • The familiar will pass through obstacles.
    • The familiar can retrieve pickups like The Boomerang The Boomerang.
    • Blocks enemy tears when stationary and when thrown.
    • After returning to Isaac, it has a short recharge time before it can be fired again.

Notes[edit | edit source]

Synergies[edit | edit source]

  • BFFS! BFFS!: Familiar grows in size and does a flat 14 damage to enemies.
  • Duct Tape Duct TapeTrinket Duct Tape icon.pngStops Isaac's familiars from moving.: Jaw Bone will face in the same direction as Isaac and remain stationary as opposed to trailing behind him. Jaw Bone can still be fired.

In-game Footage[edit | edit source]

Trivia[edit | edit source]

  • This item is possibly a reference to Judges 15:16 where Samson kills a thousand men with a donkey's jaw bone.
  • Jaw Bone is possibly a reference to the movie, The Frighteners, where Judge chases a ghost hound who keeps stealing his jaw bone.

Gallery[edit | edit source]


The Forgotten Unlocks The Forgotten Unlocks The Forgotten Unlocks
MarrowMarrowDefeat Mom's Heart or It Lives! on hard mode as The ForgottenSlipped RibSlipped RibDefeat Isaac as The ForgottenPointy RibPointy RibDefeat Satan as The ForgottenJaw BoneJaw BoneDefeat ??? as The ForgottenBrittle BonesBrittle BonesDefeat The Lamb as The ForgottenDivorce PapersDivorce PapersComplete the Boss Rush as The ForgottenHallowed GroundHallowed GroundDefeat Hush as The ForgottenFinger BoneFinger BoneDefeat Ultra Greed as The ForgottenDad's RingDad's RingDefeat Ultra Greedier as The ForgottenBook of the DeadBook of the DeadDefeat Delirium as The ForgottenBone BabyBone BabyEarn all hard mode completion marks as The ForgottenBound BabyBound BabyDefeat Mega Satan as The Forgotten
Collectible Moving Box icon.png Booster Packs Collectible Moving Box icon.png
#1
  • Collectible Angry Fly icon.png
  • Collectible Black Hole icon.png
  • Collectible Bozo icon.png
  • Collectible Broken Modem icon.png
  • Collectible Mystery Gift icon.png
  • Sprinkler Icon.png
  • Collectible Fast Bombs icon.png
  • Collectible Buddy in a Box icon.png
  • Collectible Lil Delirium icon.png
  • HairpinHairpinFully recharges Isaac's active item upon entering a boss fight.
  • Wooden CrossWooden CrossGrants a Holy Mantle shield upon entering a new floor, which protects against one hit of damage.
  • Butter!Butter!Using an active item will drop it onto a pedestal on the ground. Taking damage may result in dropping a passive item.
  • Huge GrowthHuge GrowthMakes Isaac large for the current room, increasing his range and damage.
  • Ancient RecallAncient RecallSpawns 3 random cards.
  • Era WalkEra WalkFor the current room, enemies are slowed, Isaac's speed is increased, and his shot speed is decreased.
#2
  • Collectible Jumper Cables icon.png
  • Collectible Coupon icon.png
  • Telekinesis Icon.png
  • Collectible Moving Box icon.png
  • Technology Zero Icon.png
  • Collectible Leprosy icon.png
  • Filigree FeatherFiligree FeatherAngels drop items instead of key pieces when defeated.
  • Dressing Table.png
#3
  • 7 Seals icon.png
  • Collectible Mr. ME! icon.png
  • Collectible Angelic Prism icon.png
  • Collectible Pop! icon.png
  • Door StopDoor StopThe last door Isaac went through stays open, allowing him to leave the room even if enemies are in it.
#4
  • Collectible Death's List icon.png
  • Collectible Haemolacria icon.png
  • Collectible Lachryphagy icon.png
  • Collectible Trisagion icon.png
  • Collectible Schoolbag icon.png
  • Extension CordExtension CordBeams of yellow electricity flow between Isaac and his familiars, damaging any enemies between them.
  • Cross Grimace.png
  • Fistuloid.png
  • Gush.png
  • Soul Sucker.png
  • Tar Boy.png
  • Tube Worm.png
#5
  • Collectible Blanket icon.png
  • Collectible Sacrificial Altar icon.png
  • Collectible Lil Spewer icon.png
  • Collectible Marbles icon.png
  • Collectible Mystery Egg icon.png
  • Collectible Flat Stone icon.png
  • Collectible Marrow icon.png
  • Slipped Rib Icon.png
  • Collectible Hallowed Ground icon.png
  • Collectible Pointy Rib icon.png
  • Collectible Book of the Dead icon.png
  • Collectible Dad's Ring icon.png
  • Collectible Divorce Papers icon.png
  • Collectible Jaw Bone icon.png
  • Collectible Brittle Bones icon.png
  • Collectible Broken Shovel 1 icon.png
  • Collectible Broken Shovel 2 icon.png
  • Collectible Mom's Shovel icon.png
  • Rotten PennyRotten PennySpawns a blue fly every time a coin is picked up.
  • Baby-BenderBaby-BenderGrants Isaac's familiars homing shots.
  • Finger BoneFinger BoneGrants a chance to gain a bone heart upon taking damage.
  • The Forgotten App.png
  • Crispy.png
  • Cross Stoney.png
  • Dank Charger.png
  • Leper.png
  • Leper Flesh.png
  • Mr. Mine.png
  • Mr. Red Maw.png
  • Boss The Matriarch.png
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