Necropolis

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Necropolis

Table dividing line 1.png
Stage ID
Normal and hard modes only 8
Floor ID
Normal and hard modes only 5a, 6a
Table dividing line 2.png
Unlock Method
The Necropolis Beat all The Depths bosses (not restricted to beating bosses in The Depths)

Necropolis is the alternative chapter of The Depths The Depths. It is a dark environment infested with insects. Unlike The Depths, Necropolis must be unlocked for it to appear.

Necropolis is unlocked by defeating every boss from The Depths at least once.

The boss of Necropolis II is always Mom.

Monsters[edit | edit source]

Entity ID Description
Pooter
Pooter
14.0 Slow-moving fly that occasionally fires single blood shots at Isaac. Does not deal touch damage.
I.Blob
I.Blob
15.2 Randomly wanders around the room, firing 8 shots in all directions.
Attack Fly
Attack Fly
18.0 Red fly that follows Isaac and deals touch damage.
Hive
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
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
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
Boom Fly
25.0 Flies around the room diagonally, dealing touch damage and exploding upon death.
Red Boom Fly
Red Boom Fly
25.1 Flies around the room diagonally, dealing touch damage and releasing 6 blood shots in all directions upon death.
Maw
Maw
26.0 Slowly floats towards Isaac, firing blood shots at him when he is in their range.
Psychic Maw
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
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
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.
Boil
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
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
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
Brain
32.0 Slowly crawls around the room, leaving a trail of Red Creep.
Leaper
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
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.
Baby
Baby
38.0 Slowly floats towards Isaac and fires a blood shot at him. Occasionally teleports and reappears elsewhere.
Angelic Baby
Angelic Baby
38.1.0 Slowly floats towards Isaac and fires three spread shots. Occasionally teleports and reappears elsewhere.
Vis
Vis
39.0 Randomly wanders around the room. Pauses to charge and fire a Brimstone laser when Isaac gets in its line of sight.
Double Vis
Double Vis
39.1 Randomly wanders around the room. Pauses to charge and fire a Brimstone laser which fires from both sides when Isaac gets in its line of sight.
Chubber
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.
Knight
Knight
41.0 Moves erratically around the room and charges towards Isaac when in line of sight. Can only be damaged from behind.
Selfless Knight
Selfless Knight
41.1 Moves erratically around the room and charges towards Isaac very quickly when in line of sight. Can only be damaged from behind.
Stone Grimace
Stone Grimace
42.0 Stationary and invulnerable monster that occasionally fires a blood shot at Isaac. Stops firing when room is cleared.
Vomit Grimace
Vomit Grimace
42.1 Stationary and invulnerable monster that occasionally fires an Ipecac shot at Isaac. Stops firing when room is cleared.
Slide
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
Flaming Hopper
54.0 Quickly hops around the room, doing touch damage. Covers a larger distance than the regular Hopper.
Kamikaze Leech
Kamikaze Leech
55.1 Quickly charges towards Isaac when he gets in its line of sight. Explodes upon death.
Mama Guts
Mama Guts
57.1 Slowly moves around the room, occasionally hopping and firing 8 large blood shots in all directions. Splits into 2 Guts upon death.
Sucker
Sucker
61.0 Flies slowly towards Isaac, exploding into 4 shots in the cardinal directions upon death.
Spit
Spit
61.1 Flies slowly towards Isaac, firing an Ipecac shot towards Isaac upon death.
Embryo
Embryo
77.0 Aimlessly hops around the room, dealing contact damage.
Spider
Spider
85.0 Erratically moves towards Isaac and deals touch damage.
Keeper
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
Gurgle
87.0 Walks towards Isaac, firing Ipecac shots at him. Can turn into a Splasher upon death.
Walking Boil
Walking Boil
88.0 Does not shrink or regenerate. Walks around aimlessly and fires multiple short-ranged blood projectiles in random directions.
Walking Gut
Walking Gut
88.1 Does not shrink or regenerate. Walks around aimlessly and fires Ipecac shots in random directions.
Walking Sack
Walking Sack
88.2 Does not shrink or regenerate. Walks around aimlessly and occasionally spawns Spiders.
Buttlicker
Buttlicker
89.0 Can start Attached to other Buttlickers and erratically moves around the room, similar to Larry Jr..
Hanger
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
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
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
Big Spider
94.0 Erratically moves towards Isaac and deals touch damage. Splits into two Spiders upon death.
Mobile Host
Mobile Host
204.0 Acts like the Host, but follows Isaac and deals contact damage.
Nest
Nest
205.0 Walks around the room, avoiding Isaac while spawning Spiders. Spawns a Big Spider or a Trite upon death.
Baby Long Legs
Baby Long Legs
206.0 Runs away from Isaac and frequently spawns Spiders.
Fat Sack
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
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
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
Half Sack
211.0 Wanders around aimlessly and leaves a trail of Red Creep.
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.
Mom's Hand
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
Dip
217.0 Slowly dashes in random directions, dealing contact damage.
Wizoob
Wizoob
219.0 Disappears, then appears near Isaac and spits a cluster of spectral tears at him.
Squirt
Squirt
220.0 Dashes towards the player and deals contact damage. Spawns 2 Dips upon death.
Dinga
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.
Rotty
Rotty
226.1 Slowly walks towards Isaac, leaving short-lasting Red Creep behind itself. Spawns a Bony or two Attack Flies upon death.
Bony
Bony
227.0 Wanders around the room and throws a bone at Isaac when he is in sight.
Tumor
Tumor
229.0 Moves around the room diagonally, occasionally firing 6 blood shots in all directions. Fires more often upon getting damaged.
Nerve Ending
Nerve Ending
231.0 Static enemy which acts as a meat shield.
One Tooth
One Tooth
234.0 Follows Isaac and periodically dashes towards him when it gets close. Deals contact damage.
Gaping Maw
Gaping Maw
235.0 Stationary and invulnerable monster that sucks Isaac towards it, along with Isaac's tears and enemy projectiles.
Gurglings
Gurglings
237.1
Splasher
Splasher
238.0 Walks aimlessly around the room, firing Ipecac shots in random directions.
Grub
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
Wall Creep
240.0 Crawls along walls to try to line up with Isaac and shoots three blood shots in a line.
Rage Creep
Rage Creep
241.0 Slowly crawls along walls to try to line up with Isaac and shoots a Brimstone laser.
Blind Creep
Blind Creep
242.0 Randomly crawls along walls and shoots three spread blood shots.
Ragling
Ragling
246.0 Quickly leaps towards Isaac and deals touch damage. Randomly shoots two purple shots that orbit around it.
Flesh Mobile Host
Flesh Mobile Host
247.0 Acts like the Red Host, but follows Isaac and deals contact damage.
Psychic Horf
Psychic Horf
248.0 Stationary enemy that fires a homing shot at Isaac when he gets in range of them.
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.
Psy Tumor
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
Floating Knight
254.0 Behaves like the Knight but slower, and can fly over all obstacles.
Lil' Haunt
Lil' Haunt
260.0 Follows Isaac erratically and occasionally shoots a blood shot towards Isaac's destination, predicting his movements.
Degraded Bosses

Bosses[edit | edit source]

Boss The Adversary.png
Boss The Bloat.png
Boss The Gate.png
Boss Loki.png
The Adversary The Bloat The Gate Removed in Repentance Loki
Boss Mask Of Infamy.png
Boss The Fallen.png
Boss The Headless Horseman.png
Boss War.png
Mask of Infamy The Fallen Requires previous entry into a devil room The Headless Horseman Needs to be unlocked War Needs to be unlocked
Boss Brownie.png
Boss Sisters Vis.png
Boss The Pile.png
Brownie Added in Afterbirth Needs to be unlocked Sisters Vis Added in Afterbirth † Needs to be unlocked The Pile Added in Repentance

Double Trouble[edit | edit source]

Double Trouble Bosses
Boss Blighted Ovum.png
The Haunt
Boss The Husk.png
Boss Larry Jr..png
(Double Trouble)
Blighted Ovum
(Double Trouble)
The Haunt
(Double Trouble)
The Husk
(Double Trouble)
Larry Jr.
Boss Dangle.png
Boss Little Horn.png
Boss Rag Man.png
(Double Trouble)
Dangle Added in Afterbirth Needs to be unlocked
(Double Trouble)
Little Horn Added in Afterbirth Needs to be unlocked
(Double Trouble)
Rag Man Added in Afterbirth Needs to be unlocked

Final Boss[edit | edit source]

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

Boss Mom.png
Mom

Unlockable Achievements[edit | edit source]

  • Dark Boy
    Dark Boy - Beat chapter 3 without taking damage.

Trivia[edit | edit source]

Music[edit | edit source]

The music for Necropolis is titled When Blood Dries.

Binding of Isaac: Rebirth OST


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Normal and hard modes 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
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Stage Cathedral icon.png
Cathedral
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Stage The Chest icon.png
The Chest
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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
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Dross Ashpit Gehenna
Added in Afterbirth
Greed and greedier modes 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
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