Binding of Isaac: Rebirth Wiki
Binding of Isaac: Rebirth Wiki

Monstro II is a boss that can appear in Depths Depths and the Added in Afterbirth Dank Depths Dank Depths.


  • Hops towards Isaac, similar to Monstro.
  • If Isaac is standing to the left or right side of Monstro II, he will shoot a horizontal 15►Brimstone Brimstone laser.
  • Jumps off-screen and lands on Isaac's position two times in a row.
    • Shoots 8 projectiles in all directions on his first landing. Each projectile deals a full heart of damage.
    • Spawns 4 Suckers on his second landing.
      • Suckers caught in Monstro II's hops and jump attack are killed.

Champion Versions Needs to be unlocked[]

  • Red: 20% smaller. Moves and attacks much faster, but only spawns 2 Suckers when landing.



  • Monstro II can often be seen with 2 Attack Flies to its left and right sides.


  • Monstro II appeared in the original The Binding of Isaac.
  • He is the posthumous version of Monstro.
  • Gish is his alternate version.
  • A spinal cord can be seen attached to Monstro II in his Versus image, implying that Monstro had a lower body at one point. The spine can also be seen when he fires a Brimstone laser.
  • Monstro II is missing a tooth, most likely a reference to Monstro's Tooth.
  • In the original The Binding of Isaac, Monstro II was the very first posthumous boss prior to the Wrath of the Lamb DLC.
  • He is Edmund McMillen's least favorite boss solely due to his name.

Bosses Boss Monstro.png
Chapter 1
Stage Basement icon.pngStage 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 Caves icon.pngStage 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
Chapter 2.5
Stage Mines icon.pngStage Ashpit icon.png
Reap CreepTuff TwinsHornfelGreat GideonSingeThe ShellThe Pile
Chapter 3
Stage Depths icon.pngStage Necropolis icon.pngStage Dank Depths icon.png
The AdversaryThe BloatThe CageThe GateMonstro IIGishLokiMask of InfamyWarThe FallenThe Headless HorsemanMom
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 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
Stage Corpse icon.png
ChimeraThe ScourgeRotgutMother
Chapter 5
Stage Sheol icon.pngStage Cathedral icon.png
Chapter 6
Stage Dark Room icon.pngStage Chest icon.png
???The LambMega Satan
The Void
Stage The Void icon.png
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