Blighted Ovum

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Boss Blighted Ovum name.png
Boss versus screen image
 
 
TableDividingLine1.png
 
In-game appearance
Appearance as one of Delirium's forms
Added in Afterbirth †
TableDividingLine2.png
 
Boss
Stage cellar.png
Super Secret Room Icon.png
Double Trouble
Stage necropolis.png
Mini-Boss
Stage cathedral.png
Stage dark room.png
TableDividingLine3.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 Brimstone
    Brimstone 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 D10
    D10 Icon.png1 roomsRerolls the enemies in a room. Only rerolls enemies that are still alive (does not spawn new enemies).
    .
  • Added in Afterbirth † Suture can be killed by Added in Afterbirth † Little Horn Little Horn
    Little Horn (Item) Icon.pngAdds a chance to fire a piercing tear that instantly kills any enemy that it touches.
    .

Trivia[edit | edit source]

  • The Blighted Ovum was added in the Wrath of the Lamb DLC for the original 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 Brimstone
    Brimstone 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.


Bosses Boss Monstro.png
Chapter 1 Blighted OvumDingleThe Duke of FliesFamineFistulaGeminiGurglingsThe HauntLarry Jr.MonstroPinStevenWidow
Added in Afterbirth DangleLittle HornRag ManTurdlings
Chapter 2 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 The AdversaryThe BloatThe CageThe GateGishLokiMask Of InfamyMonstro IIWarMom
Added in Afterbirth Brownie
Added in Afterbirth † Sisters Vis
Chapter 4 BlastocystThe BloatConquestDaddy Long LegsDeathLokiiMama GurdyMr. FredScolexTeratomaTriachnidMom's HeartIt Lives
Added in Afterbirth † Sisters VisThe Matriarch
Added in Afterbirth Blue Womb Added in Afterbirth Hush
Chapter 5 SatanIsaac
Chapter 6 ???The LambMega Satan
Added in Afterbirth Greed Mode Added in Afterbirth Ultra Greed
Added in Afterbirth † Ultra Greedier
Added in Afterbirth † The Void Added in Afterbirth † Delirium
Chapters 1-4 The FallenThe Headless Horseman


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