Big Horn

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Boss Big Horn name.png
Boss versus screen image
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In-game appearance
Table dividing line 2.png
Stage caves.pngStage flooded caves.pngStage catacombs.png
Stage chest.pngStage dark room.png
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Boss Boss
Something wicked this way comes+! Defeat ??? as 6 different charactersSomething wicked this way comes+!Something wicked this way comes+!
Added in Afterbirth †

Big Horn is one of the bosses added in the expansion The Binding of Isaac: Afterbirth † that can appear in all environments of Chapter 2. He is an adult version of Little Horn.

Behavior[edit | edit source]

Big Horn alternates between attacks from his head and attacks using his arms. His head and arms pop out of holes in the ground. Before attacking with his head, Big Horn will do nothing for a few seconds, allowing Isaac to deal damage under no direct pressure.

Head Attacks:

  • Spits out a large ball that homes in on the player, attempting to deal contact damage.
  • Spits out two balls that bounce against walls and deal contact damage. These do not home.
    • Occasionally does both ball attacks at the same time.
      • The balls can hit and damage Big Horn, destroying themselves in the process.
  • After attacks where Big Horn opens his mouth, there's a very small window where bombs can be kicked into his mouth. If fed a bomb, Big Horn will take damage, be temporarily stunned, and play a unique animation, during which he will take 20% more damage.

Arm Attacks:

  • Goes underground, hiding his head, then spawns two or three holes. Each hole will either have an empty hand, a hand holding a bomb, or nothing.
    • If a hand holds a bomb, Big Horn will throw it at the player. Possible thrown bombs include 1-3 Troll Bombs, 1 Mega Troll Bomb, or 1 Hot Bomb.
      • Rarely, Big Horn can throw 4-6 Troll Bombs at once.
    • If a hand is empty, it will follow Isaac and attempt to smack him three times.
    • If the hole is empty, there is an extremely rare chance to spawn a low-health version of Little Horn.

Gallery[edit | edit source]

Notes[edit | edit source]

  • The hot bombs are not affected by Safety Scissors.
  • If Isaac touches Big Horn's Hot Bombs in Chapter 4 and beyond, they will still only deal half a heart of damage instead of a full heart.
  • Big Horn's hands have arbitrarily high health (10,000) and all damage dealt to them is applied to Big Horn.
    • Because of this, Big Horn will die instantly if Isaac uses Sharp Straw while his hands are out.

Trivia[edit | edit source]

  • Big Horn and Little Horn, with their ability to create pitfalls, share similarity to the Pokémon Hoopa, a Legendary Pokémon that creates dimensional wormholes to travel from one place to another. Hoopa also has a bigger form, furthering the similarity.
  • Upon defeat, Big Horn frowns and retreats back into his hole. He does not explode into blood upon defeat.
  • Big Horn had a slight reveal on Twitter by Tyrone Rodriguez, although he wasn't fully revealed.

The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
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Bosses Boss Monstro.png
Chapter 1
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Blighted OvumDingleThe Duke of FliesFamineFistulaGeminiGurglingsThe HauntLarry Jr.MonstroPinStevenWidow
Added in Afterbirth DangleLittle HornRag ManTurdlings
Chapter 2
Stage caves.png
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Stage flooded caves.png
Carrion QueenC.H.A.D.ChubDark OneGurdyGurdy Jr.The HollowThe HuskMega FattyMega MawPeepPestilencePolycephalusThe Wretched
Added in Afterbirth The ForsakenThe FrailThe Stain
Added in Afterbirth † Big HornRag Mega
Chapter 3
Stage depths.png
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The AdversaryThe BloatThe CageThe GateGishLokiMask Of InfamyMonstro IIWarMom
Added in Afterbirth Brownie
Added in Afterbirth † Sisters Vis
Chapter 4
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Added in Afterbirth † Sisters VisThe Matriarch
Added in Afterbirth Blue Womb
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Chapter 5
Stage sheol.png
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Chapter 6
Stage dark room.png
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???The LambMega Satan
Added in Afterbirth Greed Mode
Ultra Greed
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Added in Afterbirth † The Void
Stage the void.png
Added in Afterbirth † Delirium
Chapters 1-4 The FallenThe Headless Horseman