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The Caves

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Stage's starting room
(chapter 2)
Table dividing line 1.png
 
Normal and hard modes only 4    Greed and Greedier modes only 20
 
Normal and hard modes only 3, 4    Greed and Greedier modes only 2

The Caves is the second chapter of Rebirth. After each boss in The Caves has been defeated, The Catacombs The Catacombs will be unlocked.

Monsters[edit | edit source]

Monster Description
Pooter
Pooter
Slow-moving fly that occasionally fires single blood shots at Isaac. Does not deal touch damage.
Clotty
Clotty
Randomly wanders around the room, firing 4 blood shots in the cardinal directions.
Clot
Clot
Randomly wanders around the room, firing 4 tar shots in the ordinal directions.
I.Blob
I.Blob
Randomly wanders around the room, firing 8 shots in all directions.
Mulliboom
Mulliboom
Chases Isaac and explodes upon death or upon touching Isaac. The explosion deals a half-heart of damage instead of the regular full heart.
Attack Fly
Attack Fly
Red fly that follows Isaac and deals touch damage.
Maggot
Maggot
Aimlessly moves around the room, dealing contact damage.
Hive
Hive
Walks around the room, avoiding Isaac while spawning Attack Flies. Spawns a large number of flies upon death, which can be Black Flies, Attack Flies, or Pooters.
Charger
Charger
Slowly moves around the room, charging at Isaac when he gets in its line of sight.
Globin
Globin
Chases Isaac, dealing a full heart of contact damage. Upon taking enough damage, it collapses into a pile of goo, which can be killed. Will regenerate after a short period of time if not killed quickly.
Gazing Globin
Gazing Globin
Quickly chases Isaac, dealing a full heart of contact damage. Upon taking enough damage, it collapses into a pile of goo, which will slide away from Isaac and can be killed. Will regenerate after a short period of time if not killed quickly.
Boom Fly
Boom Fly
Flies around the room diagonally, dealing touch damage and exploding upon death.
Red Boom Fly
Red Boom Fly
Flies around the room diagonally, dealing touch damage and exploding into 6 blood shots upon death.
Maw
Maw
Slowly floats towards Isaac, firing blood shots when Isaac is in range of them.
Red Maw
Red Maw
Floats towards Isaac and explodes into 4 blood shots in the cardinal directions upon death.
Psychic Maw
Psychic Maw
Slowly floats towards Isaac, firing homing shots at Isaac when he is in range of them. Spawns with an Eternal Fly orbiting around it.
Host
Host
Stationary enemy that is normally invulnerable. Raises its head up when Isaac gets close, revealing a fleshy stem that can be damaged. Upon raising its head, it will fire 3 blood shots and lower its head again.
Red Host
Red Host
Stationary enemy that can be damaged even when its head is lowered. Fire 5 spread blood shots when it raises its head.
Hopper
Hopper
Slowly hops around the room, dealing touch damage. Can turn into a Flaming Hopper by jumping into fire.
Trite
Trite
Quickly leaps towards Isaac and deals touch damage.
Boil
Boil
Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Fires multiple short-ranged blood projectiles in random directions when fully swollen.
Gut
Gut
Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Fires Ipecac shots in random directions when fully swollen.
Sack
Sack
Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Occasionally spawns Spiders when fully swollen.
Spitty
Spitty
Slowly moves around the room, occasionally firing a single blood shot forwards.
Leaper
Leaper
Hops around the room, dealing touch damage. Occasionally jumps high into the air, dropping down onto Isaac's position while firing 4 blood shots in the cardinal directions.
Mr. Maw
Mr. Maw
Walks towards Isaac and attacks by launching its head towards Isaac. Turns into a Maw or Gusher upon death depending on the killed body segment.
Knight
Knight
Moves erratically around the room and charges toward Isaac when in line of sight. Can only be damaged from behind.
Stone Grimace
Stone Grimace
Stationary and invulnerable monster that occasionally fires blood shots at Isaac. Stops firing when room is cleared.
Slide
Slide
Quickly slides towards Isaac when he gets in its line of sight, then moves slowly back to its original position. Cannot be destroyed.
Flaming Hopper
Flaming Hopper
Quickly hops around the room, dealing touch damage. Covers a larger distance than the regular Hopper.
Sucker
Sucker
Flies slowly towards Isaac, exploding into 4 shots in the cardinal directions upon death.
Embryo
Embryo
Aimlessly hops around the room, dealing contact damage.
Moter
Moter
Follows Isaac, similar to Attack Flies. Splits into 2 Attack Flies upon death.
Spider
Spider
Erratically moves towards Isaac and deals touch damage.
Gurgle
Gurgle
Walks towards Isaac, firing Ipecac shots at him. Can turn into a Splasher upon death.
Walking Gut
Walking Gut
Does not shrink or regenerate. Walks around aimlessly and fires Ipecac shots in random directions.
Swarmer
Swarmer
Slowly floats around the room, spawning several Attack Flies. Spawns Pooters upon taking damage. Spawns a Boom Fly upon death.
Big Spider
Big Spider
Erratically moves towards Isaac and deals touch damage. Splits into two Spiders upon death.
Constant Stone Shooter
Constant Stone Shooter
Stationary and invulnerable monster that continuously fires shots in a single direction.
Mobile Host
Mobile Host
Acts like the Host, but follows Isaac and deals contact damage.
Nest
Nest
Walks around the room, avoiding Isaac while spawning Spiders. Spawns a Big Spider or a Trite upon death.
Baby Long Legs
Baby Long Legs
Runs away from Isaac and frequently spawns Spiders.
Small Baby Long Legs
Small Baby Long Legs
Runs away from Isaac and occasionally spawns Sacks.
Crazy Long Legs
Crazy Long Legs
Chases Isaac, dealing touch damage. Occasionally stops to spit blood shots in 8 directions.
Small Crazy Long Legs
Small Crazy Long Legs
Chases Isaac, dealing touch damage. Occasionally stops to spit blood shots diagonally in 4 directions.
Fatty
Fatty
Slowly walks towards Isaac. Occasionally farts, which pushes Isaac and adjacent enemies away.
Pale Fatty
Pale Fatty
Slowly walks towards Isaac. Occasionally farts and shoots blood shots in 6 directions. Can turn into a Blubber upon death.
Fat Sack
Fat Sack
Slowly walks towards Isaac. Occasionally leaps off-screen and attempts to land on Isaac, leaving a puddle of creep and shooting blood shots in 6 directions where it lands. Can turn into a Blubber upon death.
Blubber
Blubber
Walks around aimlessly and randomly spews blood around itself. Can turn into a Half Sack when killed.
Half Sack
Half Sack
Wanders around aimlessly and leaves a trail of red creep.
Dip
Dip
Slowly dashes in random directions, dealing contact damage.
Corn
Corn
Quickly dashes in random directions, dealing contact damage.
Squirt
Squirt
Dashes towards the player and deals contact damage. Spawns 2 Dips upon death.
Dank Squirt
Dank Squirt
Dashes towards the player and deals contact damage. Spawns 2 Clots upon death.
Ring Fly
Ring Fly
Gathers with any other Ring Flies in the room. These flies orbit around themselves, while following Isaac.
Skinny
Skinny
Slowly walks towards Isaac, leaving short-lasting red creep behind itself.
Rotty
Rotty
Slowly walks towards Isaac, leaving short-lasting red creep behind itself. Spawns a Bony or two Attack Flies upon death.
Bony
Bony
Wanders around the room and throws a bone at Isaac when he is in sight.
Tumor
Tumor
Moves around the room diagonally, occasionally firing 6 shots. Fires more often upon getting damaged.
One Tooth
One Tooth
Follows Isaac and periodically dashes towards Isaac when it gets close. Deals contact damage.
Gaping Maw
Gaping Maw
Stationary and invulnerable monster that sucks Isaac towards it, along with Isaac's tears and enemy projectiles.
Splasher
Splasher
Walks aimlessly around the room, firing Ipecac shots in random directions.
Grub
Grub
Erratically moves around the room like Larry Jr. and charges at Isaac when he gets within its line of sight. Spawns Maggots, Chargers, or Spitties upon death, one for each of its segments.
Wall Creep
Wall Creep
Crawls along walls to try to line up with Isaac and shoots three blood shots in a line.
Blind Creep
Blind Creep
Randomly crawls along walls and shoots three spread blood shots.
Conjoined Spitty
Conjoined Spitty
Round Worm
Round Worm
Pops out of the ground in random locations and spits a blood shot at Isaac if he is in sight.
Ragling
Ragling
Quickly leaps towards Isaac and deals touch damage. Randomly shoots two purple shots that orbit around it.
Flesh Mobile Host
Flesh Mobile Host
Acts like the Red Host, but follows Isaac and deals contact damage.
Psychic Horf
Psychic Horf
Stationary enemy that fires a homing shot at Isaac when he gets in range of them.
Full Fly
Full Fly
Flies toward Isaac erratically, dealing touch damage. Splits into 6 directional shots upon death.
Ticking Spider
Ticking Spider
Crawls around the room erratically, following Isaac and dealing touch damage. Can jump small distances. Explodes upon death.
Dart Fly
Dart Fly
Flies towards Isaac and attempts to mimic his movements. Deals contact damage.
Conjoined Fatty
Conjoined Fatty
Slowly walks towards Isaac. Occasionally pauses to fart out a line of damaging green creep towards Isaac. Chance to turn into a regular Fatty upon death.
Fat Bat
Fat Bat
Slowly flies towards Isaac. Shoots when Isaac aligns diagonally with it and will actively try to avoid Isaac's shots.
Roundy
Roundy
Pops out of the ground in random locations, creating a small rock wave. Fires an explosive Ipecac shot at Isaac if he is in sight.
Swarm Fly
Swarm Fly
Follows Isaac in large groups and deals contact damage.
Dukie
Dukie
Flies around the room diagonally, occasionally spitting out a Dart Fly.
Ulcer
Ulcer
Pops out of the ground in random locations and spawns a Dart Fly if Isaac is in sight. Fires a blood shot after spawning 6 Dart Flies.
Corn Mine
Corn Mine
Goes off when destroyed or after some time, then releases a cloud of poisonous gas and fires corny shots in eight directions.
Blue Gaper
Blue Gaper
Walks towards Isaac, dealing contact damage.
Blue Boil
Blue Boil
Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Fires 1-3 blood shots towards Isaac when fully swollen.
Greed Gaper
Greed Gaper
Walks towards Isaac, dealing contact damage.
Mushroom
Mushroom
Stationary enemy that occasionally pops up and fires four shots in the cardinal or diagonal directions. Takes less damage while its head is down.
Stoney
Stoney
Chases Isaac and blocks tears, but does not deal contact damage. Temporarily pauses in exhaustion after a certain amount of time. Invulnerable; dies when the room is cleared.
Ministro
Ministro
Hops towards Isaac, occasionally spitting out a cluster of disorganized shots.
Portal
Portal
Spawns various enemies from the current floor until it either vanishes or is killed.
Degraded Bosses

Bosses[edit | edit source]

Boss Chub.png
Boss Dark One.png
Boss Gurdy.png
Boss Gurdy Jr..png
Chub Dark One Gurdy Gurdy Jr.
Boss Mega Fatty.png
Boss Mega Maw.png
Boss Peep.png
Boss The Fallen.png
Mega Fatty Mega Maw Peep The Fallen Requires previous entry into a devil room
Boss C.H.A.D..png
Boss The Headless Horseman.png
Boss Pestilence.png
Boss The Forsaken.png
C.H.A.D. Needs to be unlocked The Headless Horseman Needs to be unlocked Pestilence Needs to be unlocked The Forsaken Added in Afterbirth Needs to be unlocked
Boss The Frail.png
Boss The Stain.png
Boss Big Horn.png
Boss Rag Mega.png
The Frail Added in Afterbirth Needs to be unlocked The Stain Added in Afterbirth Needs to be unlocked Big Horn Added in Afterbirth † Needs to be unlocked Rag Mega Added in Afterbirth † Needs to be unlocked

Double Trouble[edit | edit source]

Double Trouble Bosses
Boss Dingle.png
Boss The Duke of Flies.png
Boss Gemini.png
Boss Larry Jr..png
(Double Trouble)
Dingle
(Double Trouble)
The Duke of Flies
(Double Trouble)
Gemini
(Double Trouble)
Larry Jr.
Boss Monstro.png
Boss Pin.png
Boss Polycephalus.png
(Double Trouble)
Monstro
(Double Trouble)
Pin
(Double Trouble)
Polycephalus

Unlockable Achievements[edit | edit source]

  • Spelunker Boy
    Spelunker Boy - Beat chapter 2 without taking damage.

Music[edit | edit source]

The music in the caves is titled Sodden Hollow. The word "sodden" in the name is used to describe the damp, wet appearance of the caves.

Binding of Isaac: Rebirth OST


SmallIsaac.pngChaptersSmallIsaac.png
Chapter 1 Chapter 2 Chapter 3 Chapter 4 Optional Chapter 5 Chapter 6 Endgame
Normal mode only
Hard mode only
Stage The Basement icon.png Stage The Caves icon.png Stage The Depths icon.png Stage The Womb icon.png Stage Sheol icon.png
Sheol


Stage Cathedral icon.png
Cathedral
Stage Dark Room icon.png
Dark Room


Stage The Chest icon.png
The Chest
The Basement The Caves The Depths The Womb
Added in Afterbirth Added in Afterbirth †
Stage The Cellar icon.png Stage The Catacombs icon.png Stage Necropolis icon.png Stage Utero icon.png ??? Stage The Void icon.png
The Cellar The Catacombs Necropolis Utero ??? The Void
Added in Afterbirth Added in Afterbirth Added in Afterbirth Added in Afterbirth
Stage Burning Basement icon.png Stage Flooded Caves icon.png Stage Dank Depths icon.png Stage Scarred Womb icon.png
Burning Basement Flooded Caves Dank Depths Scarred Womb
Added in Afterbirth Greed mode only
Added in Afterbirth † Greedier mode only
Added in Afterbirth Added in Afterbirth
Stage The Basement icon.png Stage The Caves icon.png Stage The Depths icon.png Stage The Womb icon.png Stage Sheol icon.png The Shop Ultra Greed
The Basement The Caves The Depths The Womb Sheol The Shop Ultra Greed
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