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Binding of Isaac: Rebirth Wiki
Binding of Isaac: Rebirth Wiki
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in: Modified in Repentance, Modified in Afterbirth+, Modified in Afterbirth, Bosses
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Chapter 4 (Bosses)

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Bosses
Chapter 1 Added in Repentance Chapter 1.5 Chapter 2 Added in Repentance Chapter 2.5 Chapter 3 Added in Repentance Chapter 3.5 Chapter 4 Added in Repentance Corpse Added in Afterbirth ??? Chapter 5 Chapter 6 Added in Afterbirth † The Void Added in Repentance Home
Added in Afterbirth Greed mode only Chapter 1 Added in Afterbirth Greed mode only Chapter 2 Added in Afterbirth Greed mode only Chapter 3 Added in Afterbirth Greed mode only Chapter 4 Added in Afterbirth Greed mode only Chapter 5 Added in Afterbirth Greed mode only The Shop Added in Afterbirth Greed mode only Ultra Greed
Harbingers Alternate Bosses Universal Devil and Angel Room Seven Deadly Sins All Mini-Bosses All Bosses

Womb Womb[]

Boss Blastocyst portrait.png
Boss The Bloat portrait.png
Boss Daddy Long Legs portrait.png
Boss Lokii portrait.png
Blastocyst The Bloat Removed in Repentance Daddy Long Legs Removed in Repentance Lokii
Boss Mama Gurdy portrait.png
Boss Mr. Fred portrait.png
Boss Scolex portrait.png
Boss Teratoma portrait.png
Mama Gurdy Mr. Fred Scolex Teratoma Removed in Repentance
Boss Death portrait.png
Boss Triachnid portrait.png
Boss Conquest portrait.png
Boss The Headless Horseman portrait.png
Death Needs to be unlocked Triachnid Removed in Repentance Needs to be unlocked Conquest Needs to be unlocked The Headless Horseman Needs to be unlocked
Boss The Fallen portrait.png
Boss The Matriarch portrait.png
Boss Sisters Vis portrait.png
The Fallen Devil Room Icon.png The Matriarch Added in Afterbirth † Needs to be unlocked Sisters Vis Added in Afterbirth † / Removed in Repentance Needs to be unlocked

Double Trouble[]

Double Trouble Bosses
Boss Dingle portrait.png
Boss The Cage portrait.png
Boss The Fallen portrait.png
Boss The Gate portrait.png
(Double Trouble)
Dingle 		(Double Trouble)
The Cage 		(Double Trouble)
The Fallen 		(Double Trouble)
The Gate
Boss Gurdy portrait.png
Boss Dangle portrait.png
Boss Little Horn portrait.png
(Double Trouble)
Gurdy 		(Double Trouble)
Dangle Added in Afterbirth Needs to be unlocked 		(Double Trouble)
Little Horn Added in Afterbirth Needs to be unlocked

Utero Utero[]

Boss Blastocyst portrait.png
Boss The Bloat portrait.png
Boss Daddy Long Legs portrait.png
Boss Lokii portrait.png
Blastocyst Removed in Repentance The Bloat Daddy Long Legs Lokii
Boss Mama Gurdy portrait.png
Boss Mr. Fred portrait.png
Boss Teratoma portrait.png
Boss The Fallen portrait.png
Mama Gurdy Removed in Repentance Mr. Fred Removed in Repentance Teratoma The Fallen Devil Room Icon.png
Boss Death portrait.png
Boss Triachnid portrait.png
Boss Conquest portrait.png
Boss The Headless Horseman portrait.png
Death Needs to be unlocked Triachnid Needs to be unlocked Conquest Needs to be unlocked The Headless Horseman Needs to be unlocked
Boss The Matriarch portrait.png
Boss Sisters Vis portrait.png
The Matriarch Added in Afterbirth † / Removed in Repentance Needs to be unlocked Sisters Vis Added in Afterbirth † Needs to be unlocked

Double Trouble[]

Double Trouble Bosses
Boss The Cage portrait.png
Boss The Fallen portrait.png
Boss The Gate portrait.png
(Double Trouble)
The Cage 		(Double Trouble)
The Fallen 		(Double Trouble)
The Gate
Boss Gurdy portrait.png
Boss Loki portrait.png
Boss Little Horn portrait.png
(Double Trouble)
Gurdy 		(Double Trouble)
Loki 		(Double Trouble)
Little Horn Added in Afterbirth Needs to be unlocked

Scarred Womb Scarred Womb Added in Afterbirth[]

Boss Blastocyst portrait.png
Boss The Bloat portrait.png
Boss Daddy Long Legs portrait.png
Boss Mama Gurdy portrait.png
Blastocyst The Bloat Removed in Repentance Daddy Long Legs Removed in Repentance Mama Gurdy
Boss Scolex portrait.png
Boss Teratoma portrait.png
Boss Death portrait.png
Boss Conquest portrait.png
Scolex Teratoma Removed in Repentance Death Needs to be unlocked Conquest Needs to be unlocked
Boss Triachnid portrait.png
Boss The Headless Horseman portrait.png
Boss The Fallen portrait.png
Boss The Matriarch portrait.png
Triachnid Needs to be unlocked The Headless Horseman Needs to be unlocked The Fallen Devil Room Icon.png The Matriarch Added in Afterbirth † Needs to be unlocked
Boss Sisters Vis portrait.png
Boss Lokii portrait.png
Boss Mr. Fred portrait.png
Sisters Vis Added in Afterbirth † Needs to be unlocked Lokii Added in Repentance Mr. Fred Added in Repentance

Double Trouble[]

Double Trouble Bosses
Boss Gurdy portrait.png
(Double Trouble)
Gurdy

Final Boss[]

Mom's Heart will always appear in the second floor of this chapter or in the last boss room if Curse of the Labyrinth is active. Once It Lives is unlocked, it will appear instead of Mom's Heart.

Boss Mom's Heart portrait.png
Boss It Lives portrait.png
Mom's Heart It Lives Needs to be unlocked

Greed mode only Womb Womb Added in Afterbirth[]

Notes[]


Boss Monstro portrait.png Bosses Boss Monstro portrait.png
Chapter 1
Stage Basement icon.pngStage Cellar icon.pngStage Burning Basement icon.png 		Gemini • Steven • Blighted Ovum • Dingle • The Duke of Flies • Famine • Gurglings • The Haunt • Larry Jr. • Monstro • Pin • Widow • The Fallen • The Headless Horseman
Dangle • Little Horn • Rag Man • Turdlings
Baby Plum
Chapter 1.5
Stage Downpour icon.pngStage Dross icon.png 		Lil Blub • Wormwood • The Rainmaker • Min-Min • Clog • Colostomia • Turdlet
Chapter 2
Stage Caves icon.pngStage Catacombs icon.pngStage Flooded Caves icon.png 		Fistula • Chub • C.H.A.D. • Carrion Queen • Dark One • Gurdy • Gurdy Jr. • The Hollow • The Husk • Mega Fatty • Mega Maw • Peep • Pestilence • Polycephalus • The Wretched • The Fallen • The Headless Horseman
The Forsaken • The Frail • The Stain
Big Horn • Rag Mega
Bumbino
Chapter 2.5
Stage Mines icon.pngStage Ashpit icon.png 		Reap Creep • Tuff Twins • Hornfel • Great Gideon • Singe • The Shell • The Pile
Chapter 3
Stage Depths icon.pngStage Necropolis icon.pngStage Dank Depths icon.png 		The Adversary • The Bloat • The Cage • The Gate • Monstro II • Gish • Loki • Mask of Infamy • War • The Fallen • The Headless Horseman • Mom
Brownie
Sisters Vis
Reap Creep • The Pile
Chapter 3.5
Stage Mausoleum icon.pngStage Gehenna icon.png 		The Siren • The Heretic • The Visage • The Horny Boys • Mom • Mom's Heart
Chapter 4
Stage Womb icon.pngStage Utero icon.pngStage Scarred Womb icon.png 		Blastocyst • The Bloat • Conquest • Daddy Long Legs • Triachnid • Death • Lokii • Mama Gurdy • Mr. Fred • Scolex • Teratoma • The Fallen • The Headless Horseman • Mom's Heart • It Lives
Sisters Vis • The Matriarch
???
??? 		Hush
Corpse
Stage Corpse icon.png 		Chimera • The Scourge • Rotgut • Mother
Chapter 5
Stage Sheol icon.pngStage Cathedral icon.png 		Satan • Isaac
Chapter 6
Stage Dark Room icon.pngChest 		??? • The Lamb • Mega Satan
The Void
Stage The Void icon.png 		Delirium
Home
Stage Home icon.png 		Dogma • The Beast • Ultra Death • Ultra Famine • Ultra Pestilence • Ultra War
Greed Mode
Ultra Greed 		Ultra Greed
Ultra Greedier
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