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

The Dark Room is one of five final levels in The Binding of Isaac: Rebirth, alongside Chest Chest, Added in Afterbirth † The Void The Void, Added in Repentance Corpse Corpse, and Added in Repentance Home Home. The Dark Room is unlocked by defeating Satan 5 times, after which it can be accessed by touching the chest dropped by Satan with The Negative The Negative equipped. Entrance to the Dark Room can also be achieved via the I AM ERROR room in Sheol Sheol, even without The Negative The Negative, as well as through the Black Market in Sheol, and through a trapdoor spawned by a button. After completing this level or The Chest for the first time, the Dark Room will always contain a large golden door in the first room, which can be unlocked with either the Key Pieces (combination of Key Piece 1 Key Piece 1 and Key Piece 2 Key Piece 2), Dad's Key Dad's Key, Added in AfterbirthGet out of Jail Free Card Get out of Jail Free Card, or Added in Afterbirth †Mr. ME! Mr. ME!.

Added in Afterbirth The Dark Room can also be accessed by repeatedly using a Sacrifice Room. After using the spikes for the 12th time, continuing to use the Sacrifice Room will have a 50% chance to teleport Isaac directly to the Dark Room, regardless of what floor he was previously on.

Added in Afterbirth † The Dark Room is home to the Grave Room, which will contain a Dirt Patch, which can be dug up using Added in Afterbirth †Mom's Shovel Mom's Shovel. Doing so for the first time will unlock The Forgotten The Forgotten. On subsequent runs, multiple Dirt Patches can be found, and digging them up using We Need to Go Deeper! We Need to Go Deeper!, Rune of Ehwaz Rune of Ehwaz, or Mom's Shovel will spawn a random type of chest.

Like Sheol Sheol before it, the Dark Room consists of only one floor. In the Dark Room, it is not possible to bomb doors open to skip rooms. The Dark Room's rooms are mainly filled with bosses and mini-bosses. The boss of the floor is always The Lamb.

The first room the player spawn in will automatically contain 4 Red Chests that Removed in Repentance function normally or Added in Repentance contain random Devil Deals. All other types of chests spawned in the Dark Room will always contain Treasure Room items. Destroying Slot Machines, Fortune Telling Machines, and all types of Beggars with the exception of a Shell Game Beggar will also spawn items.

Monsters[]

Entity ID Description
Bony
Bony
227.0 Wanders around the room and throws a bone at Isaac when he is in sight.
Death's Head
Death's Head
212.0 Invulnerable enemy that moves diagonally around the room, dealing contact damage. Dies when the room is cleared.
Embryo
Embryo
77.0 Aimlessly hops around the room, dealing contact damage.
Evil Twin
Evil Twin
53.1 Mirrors Isaac's movements and fires three spread blood shots at the same time as Isaac. Can fly over obstacles.
Nulls
Nulls
252.0 Walks towards Isaac, dealing contact damage. Upon getting near Isaac, it will open its eyes and pursue Isaac faster. Fades into and out of visibility.
Begotten
Begotten
251.0 Starts attached to the wall or an Added in Afterbirth † obstacle. After a while, it detaches, firing 6 blood shots in all directions, turning the room dark, becoming invisible and chasing Isaac. Briefly becomes visible upon getting hit.
Gurgling
Gurgling
237.0 Charges towards Isaac when he lines up with them, leaving a trail of Red Creep and shooting 6 blood shots.
Bone Knight
Bone Knight
283.0 Moves erratically around the room, charges toward Isaac when in line of sight, and leaves behind a short-lasting trail of damaging Red Creep. Can only be damaged from behind.
Kamikaze Leech
Kamikaze Leech
55.1 Quickly charges towards Isaac when he gets in its line of sight. Explodes upon death.
Black Maw
Black Maw
225.0 When Isaac lines up with it horizontally, it charges in his direction and then doubles back, charging back to its original position. When Isaac is not horizontal to it, it spawns Leeches. Explodes when it dies.
Swarmer
Swarmer
91.0 Slowly floats around the room, spawning several Attack Flies. Spawns Pooters upon taking damage. Spawns a Boom Fly upon death.
Camillo Jr.
Camillo Jr.
230.0 Moves around the room diagonally, occasionally firing Technology lasers towards Isaac. Fires more often upon getting damaged.
Wizoob
Wizoob
219.0 Disappears, then appears near Isaac and spits a cluster of spectral tears at him.
Lil' Haunt
Lil' Haunt
260.0 Floats toward Isaac and occasionally fires a blood shot at him, predicting his movements.
Imp
Imp
Added in Afterbirth
259.0 Slowly drifts towards Isaac, frequently firing 5 blood shots in quick succession towards him. Tries to avoid Isaac's shots and occasionally teleports and reappears elsewhere.
Black Bony
Black Bony
Added in Afterbirth
277.0 Wanders around the room and throws three bones in a row at Isaac when he is in sight. Explodes upon death.
Black Globin
Black Globin
Added in Afterbirth
278.0 Chases Isaac, dealing a full heart of contact damage and launching Spiders towards Isaac whenever it takes damage. Spawns a Spider, a Black Globin's Head, and a Black Globin's Body upon death.
Dank Death's Head
Dank Death's Head
Added in Afterbirth
212.1 Moves diagonally around the room, dealing contact damage. Needs to be killed to complete the room.
Flesh Death's Head
Flesh Death's Head
Added in Afterbirth
286.0 Moves diagonally around the room, dealing contact damage. Releases 6 blood shots in all directions upon death. Can be killed, but also dies when the room is cleared.
Scarred Double Vis
Scarred Double Vis
Added in Afterbirth
39.3 Randomly wanders around the room. Pauses to charge and fire a Brimstone laser which fires from all four cardinal sides when Isaac gets in its line of sight.
Red Ghost
Red Ghost
Added in Afterbirth
285.0 Disappears, then reappears near Isaac and fires a brimstone laser.
Soul Sucker
Soul Sucker
Added in Afterbirth †
61.3 Flies slowly towards Isaac. Spawns a vortex that fires four Brimstone beams in the cardinal directions upon death.
Wrinkly Baby
Wrinkly Baby
Added in Repentance
38.3 Dashes towards Isaac at high speed and fires three blood shots in his direction once stopped.
Shady
Shady
Added in Repentance
888.0 Walks slowly toward Isaac, occasionally firing a shot that creates shots perpendicular to itself while traveling and splits into a ring of shots upon hitting a wall or obstacle. Also occasionally jumps, creating lines of explosions in the cardinal directions.
Migraine
Migraine
Added in Repentance
869.0 Crawls around the room erratically, following Isaac and dealing contact damage. Can jump small distances. Releases multiple Troll Bombs upon death.

Degraded Bosses:

Name ID Notes
The Adversary
The Adversary
268.0
Big Horn
Big Horn
Added in Afterbirth †
411.0
Blastocyst
Blastocyst
74.0 Medium- and large-form only
Blighted Ovum
Blighted Ovum
79.2
The Bloat
The Bloat
68.1
Brownie
Brownie
Added in Afterbirth
402.0
The Cage
The Cage
265.0
Carrion Queen
Carrion Queen
28.2
Chub
Chub
28.0
Conquest
Conquest
65.1
Daddy Long Legs
Daddy Long Legs
101.0
Dark One
Dark One
267.0
Death
Death
66.0
The Fallen
The Fallen
81.0
Famine
Famine
63.0
The Forsaken
The Forsaken
Added in Afterbirth
403.0
The Gate
The Gate
263.0
Gish
Gish
43.1
Gluttony
Gluttony
49.0
Greed
Greed
50.0
Gurdy Jr.
Gurdy Jr.
99.0
The Haunt
The Haunt
260.0
The Headless Horseman
The Headless Horseman
82.0
The Hollow
The Hollow
19.1
The Husk
The Husk
67.1
Larry Jr.
Larry Jr.
19.0
Little Horn
Little Horn
Added in Afterbirth
404.0
Lust
Lust
47.0
Mask of Infamy
Mask of Infamy
97.0
Mega Fatty
Mega Fatty
264.0
Mega Maw
Mega Maw
262.0
Monstro
Monstro
20.0
Monstro II
Monstro II
43.0
Peep
Peep
68.0
The Pile
The Pile
Added in Repentance
269.1
Polycephalus
Polycephalus
269.0
Rag Man
Rag Man
Added in Afterbirth
405.0
Rag Mega
Rag Mega
Added in Afterbirth †
409.0
Sisters Vis
Sisters Vis
Added in Afterbirth †
410.0
Sloth
Sloth
46.0
The Stain
The Stain
Added in Afterbirth
401.0
Super Envy
Super Envy
51.1
Super Gluttony
Super Gluttony
49.1
Super Greed
Super Greed
50.1
Super Lust
Super Lust
47.1
Super Pride
Super Pride
52.1
Super Sloth
Super Sloth
46.1
Super Wrath
Super Wrath
47.1
Teratoma
Teratoma
71.1 Medium- and large-form only
War
War
65.0
Widow
Widow
100.0
Wrath
Wrath
48.0
The Wretched
The Wretched
100.1

Bosses[]

Boss The Lamb portrait.png
Boss Mega Satan portrait.png
The Lamb Mega Satan

Notes[]

  • If Isaac gets Key Piece 1 Key Piece 1 and Key Piece 2 Key Piece 2, the key will open the golden gate to fight Mega Satan, but if Isaac uses Forget Me Now Forget Me Now, the floor will reset and Isaac won't get both Key Pieces back, making it so that the golden gate won't open again.
  • Added in RepentanceWhen playing as The Lost The Lost or Tainted Lost Tainted Lost, it is advised to open the devil deal chests in the starting room one by one. Doing that will allow you to take all four items. If you open all chests at once, only one of the four items can be taken.
  • Added in Afterbirth The I AM ERROR room cannot be reached by any method in Chest Chest and the Dark Room.
    • Added in Repentance The I AM ERROR room can be reached by leaving a Crawl Space through an unintended direction or by using Added in RepentanceRed Key Red Key to get out of the 13x13 boundaries of the map. The room will always contain a portal leading to The Void The Void.

Unlockable Achievements[]

  • Dead Boy
    Dead Boy - Complete Chapter 6 without taking damage.

Trivia[]

  • The Dark Room is the only floor in the game which is original to the initial release of Rebirth. All the other floors included in Rebirth at its launch were from the original The Binding of Isaac and its DLC Wrath of the Lamb.
  • The Dark Room is also the name of a room which, like its name suggests, is plunged into complete darkness, for the notable purpose of processing photos. The fact that access to this floor is granted by touching the chest in Sheol Sheol while holding The Negative The Negative, which is the name given to a photo that has not been processed yet and whose colors and hues are inverted, might be a nod to this.
  • The layout to The Chest and the Dark Room are identical for a given seed.
  • One of the Super Secret Room layouts is of the Dark Room and a Black Heart. The sprite for the door is a portal rather than a gray door, however, since bombed-out entrances in the Dark Room appear as portals.
    • This secret room appears floating in a black void on most floors, but in the Dark Room, it appears in a purple misty void instead, just like all the other rooms.
  • One possible room in the Dark Room contains only a Bony and a Lil Haunt. These possibly represent The Forgotten The Forgotten and The Soul The Soul.
  • On the 6/2/2021 Kickstarter livestream, Edmund McMillen confirmed that the Dark Room represents the closet that Isaac was locked inside in Ending 21.
  • The theme of Dark Room (Devoid), is noticeably shorter than other floor themed soundtracks. This is because a floor theme is comprised of 2 parts. the 1st part is the normal theme, and the 2nd part is for the more intense version of the track when an enemy room with a combined high health count is entered. There is no "Intense" theme for when a high health room in Dark Room is entered. Cathedral Cathedral's theme (Everlasting Hymn) is also shorter than other tracks, but does have a barely noticeable secondary intense part of the track.

Music[]

The music for the Dark Room is titled Devoid, which means “empty”.

Binding of Isaac: Rebirth OST


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