Blighted Ovum

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Boss Blighted Ovum name.png
Boss versus screen image
 
 
Table dividing line 1.png
 
In-game appearance
Table dividing line 2.png
 
Boss
Stage The Cellar icon.png
Super 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
 
Boss Boss

The Blighted Ovum is one of the bosses that can appear in The Cellar, and is the posthumous version of Gemini.

Behavior[edit | edit source]

The Blighted Ovum starts off separated into two parts.

  • Suture is invincible and slowly floats towards the player, firing a horizontal Brimstone BrimstoneBrimstone Rebirth Icon.pngTears are replaced by a laser beam that pierces through all enemies and obstacles in its path and deals high damage. Can only be fired after a short charge-up period. shot whenever the player is to its left or right. He can't die until Contusion does.
  • Contusion constantly chases the player and progressively gets faster, while leaving behind a trail of Red Creep. Unlike Gemini he will not stop for breath, only slow down.

Gallery[edit | edit source]

Notes[edit | edit source]

  • Suture can be rerolled by the D10 D10D10 Icon.png1 roomsRerolls the enemies in a room. Only rerolls enemies that are still alive (does not spawn new enemies)..
  • Suture can be killed by Added in Afterbirth †Little Horn Little HornLittle Horn Icon.pngAdds a chance to fire a piercing tear that instantly kills any enemy that it touches..

Trivia[edit | edit source]

  • Blighted Ovum was added in the Wrath of the Lamb DLC for the original The Binding of Isaac.
  • 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.
    • Gemini also shows up in Chapter 1, which makes it one of only three bosses to have its posthumous version in the same chapter, the other cases being Polycephalus and Chub having The Stain and Carrion Queen, respectively, in Chapter 2.
      • However, Blighted Ovum doesn't appear in the same environment as Gemini, who appears in the The Basement while Blighted Ovum appears in the Cellar.
  • If encountered in a Double Trouble boss fight, its Brimstone BrimstoneBrimstone Rebirth Icon.pngTears are replaced by a laser beam that pierces through all enemies and obstacles in its path and deals high damage. Can only be fired after a short charge-up period. 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 in the exact manner.


Bosses Boss Monstro.png
Chapter 1
Stage The Basement icon.pngStage The Cellar icon.pngStage Burning Basement icon.png
Blighted OvumDingleThe Duke of FliesFamineFistulaGeminiGurglingsThe HauntLarry Jr.MonstroPinStevenWidowThe FallenThe Headless Horseman
Added in  Afterbirth DangleLittle HornRag ManTurdlings
Chapter 2
Stage The Caves icon.pngStage The Catacombs icon.pngStage Flooded Caves icon.png
Carrion QueenC.H.A.D.ChubDark OneGurdyGurdy Jr.The HollowThe HuskMega FattyMega MawPeepPestilencePolycephalusThe WretchedThe FallenThe Headless Horseman
Added in  Afterbirth The ForsakenThe FrailThe Stain
Added in Afterbirth † Big HornRag Mega
Chapter 3
Stage The Depths icon.pngStage Necropolis icon.pngStage Dank Depths icon.png
The AdversaryThe BloatThe CageThe GateGishLokiMask Of InfamyMonstro IIWarThe FallenThe Headless HorsemanMom
Added in  Afterbirth Brownie
Added in Afterbirth † Sisters Vis
Chapter 4
Stage The Womb icon.pngStage Utero icon.pngStage Scarred Womb icon.png
BlastocystThe BloatConquestDaddy Long LegsDeathLokiiMama GurdyMr. FredScolexTeratomaTriachnidThe FallenThe Headless HorsemanMom's HeartIt Lives
Added in Afterbirth † Sisters VisThe Matriarch
Added in  Afterbirth Blue Womb
???
Added in  Afterbirth Hush
Chapter 5
Stage Sheol icon.pngStage Cathedral icon.png
SatanIsaac
Chapter 6
Stage Dark Room icon.pngStage The Chest icon.png
???The LambMega Satan
Added in Afterbirth † The Void
Stage The Void icon.png
Added in Afterbirth † Delirium
Added in  Afterbirth Greed Mode
Ultra Greed
Added in  Afterbirth Ultra Greed
Added in Afterbirth † Ultra Greedier
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