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Monstro

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Boss Monstro name.png
Boss versus screen image
 
 
Table dividing line 1.png
 
In-game appearance
Table dividing line 2.png
 
Boss
Stage The Basement icon.pngStage Burning Basement 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 Monstro, Added in Afterbirth The Duke of Flies, or Fistula)
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 Cathedral icon.png
Stage The Chest icon.pngStage Dark Room icon.png
Table dividing line 3.png
 
Boss Boss
Disambig.png This article is about the boss. For the enemy, see Ministro. For the item, see Lil Monstro.

Monstro is one of the bosses that can appear in The Basement and the Burning Basement. He is amongst the most common to fight, particularly because he can appear on later floors as an enemy.

Behavior[edit | edit source]

  • Hops towards the player.
  • Coughs up a large amount of disorganized tears. The larger tears do one heart of damage while the short ranged small ones do 1/2 heart.
  • Jumps off-screen, aiming to land on top of the player.
    • Fires another set of disorganized tears after landing.

Champion Versions[edit | edit source]

  • Red: Two smaller Monstros, each with 45% of Monstro's normal health, replace the normal Monstro.
  • Dark Grey: Slightly larger and has 25% more health. Uses tear volleys much more often and is unable to jump off-screen.

Gallery[edit | edit source]

Arena[edit | edit source]

Notes[edit | edit source]

Trivia[edit | edit source]

  • Monstro appeared in the original The Binding of Isaac.
  • Monstro appears to be missing a tooth which happens to be an item.
  • Monstro is Monster in Portuguese.
    • "monstro" is a somewhat common mispronunciation of the Spanish word monstruo.


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
The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
Achievements Achievements Attributes Attributes Bosses Bosses TarotCard.png Cards and Runes Challenges Challenges Chapters Chapters
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