Pin

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Boss Pin name.png
Boss versus screen image
Base HPStage HP
100
0
Table dividing line 1.png
Ingame Appearance
In-game appearance

Entity ID
62.0
Table dividing line 2.png
Found In
Boss
Stage The Cellar icon.png
Challenge Room Icon.pngBoss Challenge Room Icon.pngSuper Secret Room Icon.png
Double Trouble
Stage The Caves icon.pngStage The Catacombs icon.pngStage Flooded Caves icon.png
(with another Pin, Added in Afterbirth Mega Fatty, Larry Jr., Chub or Blighted Ovum)
Degraded Boss
Stage The Depths icon.pngStage Necropolis icon.pngStage Dank Depths icon.png
Stage The Womb icon.pngStage Utero icon.pngStage Scarred Womb icon.png
Stage The Chest icon.png
Table dividing line 3.png
Dropped Items
Boss Boss
Questionmarkisaac.png For the item with a similar name, see Safety Pin. For the trinket with a similar name, see Push Pin.

Pin is a boss that can appear in The Cellar The Cellar.

Behavior[edit | edit source]

Pin burrows into the ground before performing the following attacks:

  • Jumps out of the ground towards Isaac and burrowing back into the ground at the end of the jump.
    • Occasionally fires 4 projectiles diagonally from the last section of its body when exiting the ground and/or when burrowing back into the ground.
  • Partially emerges out of the ground to fire a red 15►Ipecac Ipecac shot at Isaac before returning underground.
    • After performing this attack, Pin will always jump out of the same spot it entered.

Champion Versions[edit | edit source]

  • Added in Repentance Black: Slightly larger and fires a radial burst of 6 spiraling projectiles instead of an explosive projectile and fires 6 projectiles instead of 4 when moving around.

Gallery[edit | edit source]

Notes[edit | edit source]

  • Each segment of Pin can be individually damaged, so a single piercing tear could hit Pin multiple times.
    • Added in Repentance Piercing shots no longer damage segmented enemies multiple times per attack.
  • Despite looking like it's flying above the ground, Pin is not immune to ground-based effects such as creep when doing its jumping attack. On the contrary, every segment is guaranteed to pass over the damaging area, making it more susceptible to damage.
    • Due to this, Pin also cannot jump across gaps, and will bounce backwards when attempting to cross one.

Trivia[edit | edit source]

  • Pin was added in the Wrath of the Lamb DLC for the original The Binding of Isaac.
  • Added in Afterbirth The Frail is its posthumous version.
  • It is the boss version of a Added in Repentance Needle.
  • Removed in Repentance Prior to Repentance, Pin's champion could never appear in-game despite existing in the original Binding of Isaac.
  • Pin is based off the pinworm, an internal parasite.
  • Pin is likely a reference to Lanmola, a boss from The Legend of Zelda: A Link to the Past; as nearly all attacks are the same.

Bugs[edit | edit source]

Bug Bug! If you fire immediately upon entering the Boss Room, rarely, you can damage Pin before it emerges.
Bug Bug! Added in Afterbirth † If Pin is under the effects of Broken Modem in mid-air, its jump will be stopped and it will fall.


Bosses Boss Monstro.png
Chapter 1
Stage The Basement icon.pngStage The Cellar icon.pngStage Burning Basement icon.png
GeminiStevenBlighted OvumDingleThe Duke of FliesFamineFistulaGurglingsThe HauntLarry Jr.MonstroPinWidowThe FallenThe Headless Horseman
DangleLittle HornRag ManTurdlings
Baby Plum
Chapter 1.5
Stage Downpour icon.pngStage Dross icon.png
Lil BlubWormwoodThe RainmakerMin-MinClogColostomiaTurdlet
Chapter 2
Stage The Caves icon.pngStage The Catacombs icon.pngStage Flooded Caves icon.png
ChubC.H.A.D.Carrion QueenDark OneGurdyGurdy Jr.The HollowThe HuskMega FattyMega MawPeepPestilencePolycephalusThe WretchedThe FallenThe Headless Horseman
The ForsakenThe FrailThe Stain
Big HornRag Mega
Bumbino
Chapter 2.5
Stage Mines icon.pngStage Ashpit icon.png
Reap CreepTuff TwinsHornfelGreat GideonSingeThe ShellThe Pile
Chapter 3
Stage The Depths icon.pngStage Necropolis icon.pngStage Dank Depths icon.png
The AdversaryThe BloatThe CageThe GateMonstro IIGishLokiMask of InfamyWarThe FallenThe Headless HorsemanMom
Brownie
Sisters Vis
Reap CreepThe Pile
Chapter 3.5
Stage Mausoleum icon.pngStage Gehenna icon.png
The SirenThe HereticThe VisageThe Horny Boys
Chapter 4
Stage The Womb icon.pngStage Utero icon.pngStage Scarred Womb icon.png
BlastocystThe BloatConquestDaddy Long LegsTriachnidDeathLokiiMama GurdyMr. FredScolexTeratomaThe FallenThe Headless HorsemanMom's HeartIt Lives
Sisters VisThe Matriarch
???
???
Hush
Corpse
Stage Corpse icon.png
ChimeraThe ScourgeRotgutMother
Chapter 5
Stage Sheol icon.pngStage Cathedral icon.png
SatanIsaac
Chapter 6
Stage Dark Room icon.pngStage The Chest icon.png
???The LambMega Satan
The Void
Stage The Void icon.png
Delirium
Home
Stage Home icon.png
DogmaThe BeastUltra DeathUltra FamineUltra PestilenceUltra War
Greed Mode
Ultra Greed
Ultra Greed
Ultra Greedier
The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
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Characters Characters MainPageBabies.png Co-op Items Items Item pools Item pools Monsters Monsters Objects Objects
Pickups Pickups Pills Pills Rooms Rooms Seeds Seeds Transformations Transformations Trinkets Trinkets