The Fallen

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Boss The Fallen name.png
Boss versus screen image
Base HPStage HP
60
45
Table dividing line 1.png
Ingame Appearance
In-game appearance

Entity ID
81.0
Table dividing line 2.png
Found In
Boss
Stage The Basement icon.pngStage The Cellar icon.pngStage Burning Basement icon.png
(Second floor only)

Stage The Caves icon.pngStage The Catacombs icon.pngStage Flooded Caves icon.png
Stage The Depths icon.pngStage Necropolis icon.pngStage Dank Depths icon.png
Stage The Womb icon.pngStage Utero icon.pngStage Scarred Womb icon.png
(Normally)

Stage Sheol icon.png
Stage The Void icon.png
(Followed by Satan)
Double Trouble
Stage The Womb icon.pngStage Utero icon.png
(With either another Fallen or Added in Afterbirth Little Horn )

Super Secret Room Icon.png
Degraded Boss
Stage Sheol icon.png
Stage Dark Room icon.pngStage The Chest icon.png
Table dividing line 3.png
Dropped Items
Boss Boss

The Fallen is a boss that can appear on any main-line Chapter, with the prerequisite that Isaac has entered inside (not just seen) a Devil Room through any methods, and with the following exceptions:


It is encountered as the first phase of the Satan battle.

Behavior[edit | edit source]

Phase 1[edit | edit source]

The Fallen moves randomly around the room in cardinal directions and can perform the following attacks:

  • Fires 3 projectiles in a spread followed by 4 projectiles in a spread in succession towards Isaac.
  • Increases its speed and chases Isaac. After taking a certain amount of damage, it halts and fires a 15►Brimstone Brimstone laser in each cardinal direction.

Phase 2[edit | edit source]

  • At 50% health, The Fallen splits into two smaller versions of itself. The two clones have identical behaviour.
    • It is possible to avoid the split if the Fallen takes a single hit doing more than 50% damage that causes poisoning or burning as the final one.

Gallery[edit | edit source]

Notes[edit | edit source]

  • Instead of dropping an item from the boss pool, The Fallen will drop an item from the Devil Room item pool. They cost no heart containers to pick up. Devil Rooms can still spawn at the end of the boss fight.
    • Rerolling the drop from The Fallen will reroll it to another item from the Devil Room pool.
    • Added in Afterbirth Prior to Afterbirth, this could only work if the player rerolled the item immediately after defeating The Fallen. If the player exited and re-entered the boss room, it would reroll to the regular boss pool.
  • Charming effects are especially effective on this boss's second form. Causing one to Brimstone the other will kill them extremely quickly.
  • The Fallen can appear on the first floor during a Victory Lap if a Devil Room was entered during the previous lap. Even more rarely, it is possible to encounter him on a normal run if the first level was rerolled with 15►Forget Me Now Forget Me Now or a 5-pip dice room after visiting the Devil Room with a Joker card or a Red Chest.

Trivia[edit | edit source]

  • The Fallen appeared in the Halloween Update for the original The Binding of Isaac.
  • Under normal circumstances, the Fallen is one of three bosses (the other two being Conquest and The Headless Horseman) who drop or can drop active items upon defeat.
  • The Fallen shares his name with a level from Edmund's previous game Super Meat Boy.
  • The Fallen is both visually and behaviorally similar to Krampus.
  • Despite the first phase of The Fallen having a death animation before splitting into clones, the clones themselves don't have a death animation.
  • Added in Afterbirth † Prior to Booster Pack #5, only Crusade would play when The Fallen appeared as Satan's first phase. As of the aforementioned Booster Pack, Cerebrum Dispersio also has a chance to play in this situation.
    • This also applies to when the Angels were fought normally (by bombing the Angel statues).


Bosses Boss Monstro.png
Chapter 1
Stage The Basement icon.pngStage The Cellar icon.pngStage Burning Basement icon.png
GeminiStevenBlighted OvumDingleThe Duke of FliesFamineFistulaGurglingsThe 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 The Caves icon.pngStage The Catacombs icon.pngStage Flooded Caves icon.png
ChubC.H.A.D.Carrion QueenDark OneGurdyGurdy Jr.The HollowThe HuskMega FattyMega MawPeepPestilencePolycephalusThe WretchedThe FallenThe Headless Horseman
The ForsakenThe FrailThe Stain
Big HornRag Mega
Bumbino
Chapter 2.5
Stage Mines icon.pngStage Ashpit icon.png
Reap CreepTuff TwinsHornfelGreat GideonSingeThe ShellThe Pile
Chapter 3
Stage The Depths icon.pngStage Necropolis icon.pngStage Dank Depths icon.png
The AdversaryThe BloatThe CageThe GateMonstro IIGishLokiMask of InfamyWarThe FallenThe Headless HorsemanMom
Brownie
Sisters Vis
Reap CreepThe Pile
Chapter 3.5
Stage Mausoleum icon.pngStage Gehenna icon.png
The SirenThe HereticThe VisageThe Horny Boys
Chapter 4
Stage The 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
???
???
Hush
Corpse
Stage Corpse icon.png
ChimeraThe ScourgeRotgutMother
Chapter 5
Stage Sheol icon.pngStage Cathedral icon.png
SatanIsaac
Chapter 6
Stage Dark Room icon.pngStage The Chest icon.png
???The LambMega Satan
The Void
Stage The Void icon.png
Delirium
Home
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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