Blighted Ovum

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Boss Blighted Ovum name.png
Boss versus screen image
Base HPStage HP
140
0
Table dividing line 1.png
Ingame Appearance
In-game appearance

Entity ID
79.2
Table dividing line 2.png
Found In
Boss
Stage The Cellar icon.png
Challenge Room Icon.pngSuper Secret Room Icon.png
Double Trouble
Stage Necropolis icon.png
Degraded Boss
Stage Sheol icon.pngStage Cathedral icon.png
Stage The Chest icon.pngStage Dark Room icon.png
Table dividing line 3.png
Dropped Items
Boss Boss

Blighted Ovum is a boss that can appear in The Cellar The Cellar.

Behavior[edit | edit source]

Blighted Ovum starts separated into two parts.

  • Suture is invincible and slowly floats towards Isaac, firing a horizontal 15►Brimstone Brimstone shot whenever Isaac is to its left or right. Suture can not be killed and will die once Contusion does.
  • Contusion constantly chases Isaac while leaving behind a trail of red creep, he periodically charges gaining speed. Unlike Gemini, he will not stop for a breath.

Gallery[edit | edit source]

Notes[edit | edit source]

  • Removed in Afterbirth † Suture can be rerolled by the 15►D10 D10.
  • Suture can be killed by Added in Afterbirth †15►Little Horn Little Horn.

Trivia[edit | edit source]

  • Blighted Ovum was added in the Wrath of the Lamb DLC for the original The Binding of Isaac.
  • It is the posthumous version of Gemini.
  • In medicine, a blighted ovum is a pregnancy in which the early pregnancy appears normal on an ultrasound scan, but later no visible embryo develops.
  • This boss has skin on its body in the boss art, but it doesn't in-game.
  • Blighted Ovum is the only boss in chapter 1 that is a posthumous version.
  • If encountered in a Double Trouble boss fight, its 15►Brimstone Brimstone laser can damage the other boss.
  • In Wrath of The Lamb, when Blighted Ovum was killed Contusion would shoot 8 extremely fast tears in the cardinal and ordinal directions, and after a short delay would be followed up by Suture who would explode similarly.
  • In the Bestiary, Suture is referred to as "The Blighted Ovum Baby".


Bosses Boss Monstro.png
Chapter 1
Stage The Basement icon.pngStage The Cellar icon.pngStage Burning Basement icon.png
GeminiStevenBlighted OvumDingleThe Duke of FliesFamineGurglingsThe 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
FistulaChubC.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 BoysMomMom's Heart
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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