The Depths

 

(chapter 3)

Stage ID
7     21

Floor ID
5, 6     3

The Depths is one of the levels in Chapter 3. It features a dark environment, filled with skulls. The Depths' unlockable variants are Necropolis and the Dank Depths.

The boss of The Depths II is always Mom.

Monsters

Entity	ID	Description
Pooter	14.0	Slow-moving fly that occasionally fires single blood shots at Isaac. Does not deal touch damage.
Clot	15.1	Randomly wanders around the room, firing 4 tar shots in the ordinal directions.
I.Blob	15.2	Randomly wanders around the room, firing 8 shots in all directions.
Attack Fly	18.0	Red fly that follows Isaac and deals touch damage.
Hive	22.0	Walks around the room, avoiding Isaac while spawning Attack Flies. Spawns a large number of flies upon death, which can be Flies, Attack Flies or Pooters.
Globin	24.0	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	24.1	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	25.0	Flies around the room diagonally, dealing touch damage and exploding upon death.
Red Boom Fly	25.1	Flies around the room diagonally, dealing touch damage and releasing 6 blood shots in all directions upon death.
Maw	26.0	Slowly floats towards Isaac, firing blood shots at him when he is in their range.
Red Maw	26.1	Floats towards Isaac and releases 4 blood shots in the cardinal directions upon death.
Psychic Maw	26.2	Slowly floats towards Isaac, firing homing shots at him when he is in their range. Spawns with an Eternal Fly orbiting around it.
Host	27.0	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 in a spread and lower its head again.
Red Host	27.1	Stationary enemy that can be damaged even when its head is lowered. Fire 5 spread blood shots when it raises its head.
Hopper	29.0	Slowly hops around the room, doing touch damage. Can turn into a Flaming Hopper by jumping into fire.
Boil	30.0	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	30.1	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	30.2	Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Occasionally spawns Spiders when fully swollen.
Brain	32.0	Slowly crawls around the room, leaving a trail of Red Creep.
Leaper	34.0	Hops around the room, doing 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	35.0	Walks towards Isaac and attacks by launching its head towards him. Turns into a Maw or Gusher upon death depending on the killed body segment. Occasionally separates at will.
Mr. Red Maw	35.2	Walks towards Isaac and attacks by launching its head towards him. Turns into a Red Maw or Gusher upon death depending on the killed body segment. Occasionally separates at will.
Baby	38.0	Slowly floats towards Isaac and fires a blood shot at him. Occasionally teleports and reappears elsewhere.
Vis	39.0	Randomly wanders around the room. Pauses to charge and fire a Brimstone laser when Isaac gets in its line of sight.
Chubber	39.2	Randomly wanders around the room. Pauses to fire a Charger that deals one heart of damage when Isaac gets in its line of sight. The Charger is invulnerable, blocks Isaac's tears, has limited range, and flies back to the Chubber.
Guts	40.0	Attaches itself to a wall or obstacle and rolls around it.
Knight	41.0	Moves erratically around the room and charges towards Isaac when in line of sight. Can only be damaged from behind.
Stone Grimace	42.0	Stationary and invulnerable monster that occasionally fires a blood shot at Isaac. Stops firing when room is cleared.
Poky	44.0	Slides around the room aimlessly, damaging Isaac by contact. Disappears when the room is cleared.
Slide	44.1	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	54.0	Quickly hops around the room, doing touch damage. Covers a larger distance than the regular Hopper.
Leech	55.0	Quickly charges towards Isaac when he gets in its line of sight.
MemBrain	57.0	Slowly moves around the room, occasionally hopping and firing 8 large blood shots in all directions. Splits into 2 Brains upon death.
Sucker	61.0	Flies slowly towards Isaac, exploding into 4 shots in the cardinal directions upon death.
Spit	61.1	Flies slowly towards Isaac, firing an Ipecac shot towards Isaac upon death.
Embryo	77.0	Aimlessly hops around the room, dealing contact damage.
Moter	80.0	Follows Isaac, similar to Attack Flies. Splits into 2 Attack Flies upon death.
Spider	85.0	Erratically moves towards Isaac and deals touch damage.
Keeper	86.0	Hops around the room, firing 2 blood shots in a V formation at Isaac. Upon damaging Isaac, Isaac drops 2 coins on the ground but loses 3.
Gurgle	87.0	Walks towards Isaac, firing Ipecac shots at him. Can turn into a Splasher upon death.
Walking Sack	88.2	Does not shrink or regenerate. Walks around aimlessly and occasionally spawns Spiders.
Buttlicker	89.0	Can start Attached to other Buttlickers and erratically moves around the room, similar to Larry Jr..
Hanger	90.0	Floats around the room, firing 3 spread blood shots at Isaac. Upon damaging Isaac, Isaac drops 2 coins on the ground but loses 3. Spawns with an Eternal Fly circling around it.
Swarmer	91.0	Slowly floats around the room, spawning several Attack Flies. Spawns Pooters upon taking damage. Spawns a Boom Fly upon death.
Mask + Heart	92.0	The Mask is invulnerable and moves around erratically, charging at Isaac when he lines up with it. The Heart avoids Isaac and fires 4 blood shots in the cardinal directions when Isaac gets near. Killing the Heart will automatically kill the Mask.
Big Spider	94.0	Erratically moves towards Isaac and deals touch damage. Splits into two Spiders upon death.
Constant Stone Shooter	202.0	Stationary and invulnerable monster that continuously fires shots in a single direction.
Mobile Host	204.0	Acts like the Host, but follows Isaac and deals contact damage.
Baby Long Legs	206.0	Runs away from Isaac and frequently spawns Spiders.
Small Crazy Long Legs	207.1	Chases Isaac, dealing touch damage. Occasionally stops to spit 4 blood shots in the diagonal directions.
Flaming Fatty	208.1	Slowly walks towards Isaac. Occasionally farts, which pushes Isaac and adjacent enemies away. Has a chance to leave behind a damaging flame upon death.
Fat Sack	209.0	Slowly walks towards Isaac. Occasionally leaps off-screen and attempts to land on Isaac, leaving a puddle of Red Creep and shooting 6 blood shots in all directions where it lands. Has a chance to turn into a Blubber upon death.
Blubber	210.0	Walks around aimlessly and randomly spews a cluster of blood shots in all directions. Has a chance to turn into a Half Sack when killed.
Pale Fatty	210.1	Slowly walks towards Isaac. Occasionally farts and shoots 6 blood shots in all directions. Has a chance to turn into a Blubber upon death.
Half Sack	211.0	Wanders around aimlessly and leaves a trail of Red Creep.
Death's Head	212.0	Invulnerable enemy that moves diagonally around the room, dealing contact damage. Dies when the room is cleared.
Dank Death's Head	212.1	Moves diagonally around the room, dealing contact damage. Needs to be killed to complete the room.
Mom's Hand	213.0	Falls from the ceiling. If it lands on Isaac, it deals damage and teleports the player back to the spawn room of the floor. Entering a room containing Mom's Hand will warn the player with Mom's laugh.
Dip	217.0	Slowly dashes in random directions, dealing contact damage.
Corn	217.1	Quickly dashes in random directions, dealing contact damage.
Wizoob	219.0	Disappears, then appears near Isaac and spits a cluster of spectral tears at him.
Squirt	220.0	Dashes towards the player and deals contact damage. Spawns 2 Dips upon death.
Ring Fly	222.0	Gathers with any other Ring Flies in the room. These flies orbit around themselves while following Isaac.
Dinga	223.0	Slowly moves around the room, occasionally hopping to spawn Dips or fire 8 Brown shots in all directions. Splits 2 Squirts upon death.
Skinny	226.0	Slowly walks towards Isaac, leaving short-lasting Red Creep behind itself.
Rotty	226.1	Slowly walks towards Isaac, leaving short-lasting Red Creep behind itself. Spawns a Bony or two Attack Flies upon death.
Bony	227.0	Wanders around the room and throws a bone at Isaac when he is in sight.
Tumor	229.0	Moves around the room diagonally, occasionally firing 6 blood shots in all directions. Fires more often upon getting damaged.
Nerve Ending	231.0	Static enemy which acts as a meat shield.
One Tooth	234.0	Follows Isaac and periodically dashes towards him when it gets close. Deals contact damage.
Gaping Maw	235.0	Stationary and invulnerable monster that sucks Isaac towards it, along with Isaac's tears and enemy projectiles.
Broken Gaping Maw	236.0	Stationary and invulnerable monster that sucks Isaac towards it, along with Isaac's tears and enemy projectiles. Alternates between active and inactive every couple of seconds. Has a stronger attraction power than a regular Gaping Maw.
Gurglings	237.1
Grub	239.0	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	240.0	Crawls along walls to try to line up with Isaac and shoots three blood shots in a line.
Rage Creep	241.0	Slowly crawls along walls to try to line up with Isaac and shoots a Brimstone laser.
Blind Creep	242.0	Randomly crawls along walls and shoots three spread blood shots.
Round Worm	244.0	Pops out of the ground in random locations and spits a blood shot at Isaac if he is in sight.
Ragling	246.0	Quickly leaps towards Isaac and deals touch damage. Randomly shoots two purple shots that orbit around it.
Flesh Mobile Host	247.0	Acts like the Red Host, but follows Isaac and deals contact damage.
Psychic Horf	248.0	Stationary enemy that fires a homing shot at Isaac when he gets in range of them.
Begotten	251.0	Starts attached to the wall or an 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.
Psy Tumor	253.0	Moves around the room diagonally, occasionally firing 6 homing shots in all directions. Fires more often upon getting damaged.
Floating Knight	254.0	Behaves like the Knight but slower, and can fly over all obstacles.
Fat Bat	258.0	Slowly flies towards Isaac. Tries to align itself diagonally to Isaac and shoots at him when in that alignment.
Lil' Haunt	260.0	Follows Isaac erratically and occasionally shoots a blood shot towards Isaac's destination, predicting his movements.
Black Bony	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's Head	279.0	Slides towards Isaac, leaving a trail of damaging Red Creep.
Black Globin's Body	280.0	Walks aimlessly around the room, occasionally spawning spiders.
Mega Clotty	282.0	Slowly moves around the room, occasionally hopping and either firing 6 blood shots in all directions, leaving a puddle of Red Creep, or spawning a Clotty or a collapsed Globin. Splits into two Clotties upon death.
Cyclopia	284.0	Walks towards Isaac, dealing contact damage and leaving behind a short-lasting trail of damaging Red Creep. Occasionally shoots a blood shot towards Isaac.
Mom's Dead Hand	287.0	Falls from the ceiling. Upon landing, it spawns several rock waves that travel outwards. Spawns several spiders upon death. Entering a room containing Mom's Dead Hand will warn the player with Mom's laugh.
Dukie	288.0	Flies around the room diagonally, occasionally spitting out 1-2 Dart Flies.
Corn Mine	295.0	Goes off when destroyed or after some time, then releases a cloud of poisonous gas and fires corny shots in eight directions.
Hush Fly	296.0	Gathers with other Hush Flies and flies towards Isaac in certain patterns. Can also orbit Hush.
Blue Gaper	297.0	Walks towards Isaac, dealing contact damage.
Blue Boil	298.0	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	299.0	Walks towards Isaac, dealing contact damage.
Stoney	302.0	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.
Blister	303.0	Slowly hops towards Isaac, occasionally spawning a Dark Ball. Spawns a Sack upon death.
Ministro	305.0	Hops towards Isaac, occasionally spitting out a cluster of disorganized shots.
Portal	306.0	Spawns various enemies from the current floor until it either vanishes or is killed.

Degraded Bosses
Blastocyst (small) Chub Dingle The Duke of Flies Fistula (small and medium) The Haunt Larry Jr. Mega Fatty Monstro Pin Polycephalus Teratoma (medium) The Hollow

Bosses

The Adversary	The Cage	The Gate	Loki

Monstro II	The Fallen	Gish	The Headless Horseman

War	Brownie	Sisters Vis	Reap Creep

Double Trouble

Double Trouble Bosses
(Double Trouble) Chub (Double Trouble) Gurdy Jr. (Double Trouble) The Haunt (Double Trouble) The Hollow (Double Trouble) The Husk (Double Trouble) Larry Jr. (Double Trouble) The Wretched (Double Trouble) Little Horn (Double Trouble) Rag Man

Final Boss

Mom will always appear in the second floor of this chapter or in the last boss room if Curse of the Labyrinth is active.

Mom

Unlockable Achievements

• 

  Something Sticky - Beat chapter 3 20 times.

• 

  The Necropolis - Beat all The Depths bosses (not restricted to beating bosses in The Depths).

• 

  Leprosy - Beat chapter 3 without taking damage.

• 

  Dark Boy - Beat chapter 3 without taking damage.

Trivia

• The Depths may resemble a dungeon, sewers, or a torture chamber.
  • Dank Depths may be an extension of this sewer theme.

Music

The music for the Depths is titled Abyss. As the name implies, the Depths are located inside of one.

Binding of Isaac: Rebirth OST