Binding of Isaac: Rebirth Wiki
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| id = 30
 
| id = 30
 
| base hp = 20
 
| base hp = 20
| environment = {{floor|The Catacombs}}{{floor|The Depths}}{{floor|Necropolis}}{{floor|The Womb}}{{floor|Utero}}<br>{{dlc|a}}{{floor|The Caves}}{{floor|Flooded Caves}}{{floor|Dank Depths}}{{floor|Scarred Womb}} {{room|dice}}
+
| environment = {{floor|Caves}}{{floor|Catacombs}}{{floor|Flooded Caves}}<br>{{floor|Depths}}{{floor|Necropolis}}{{floor|Dank Depths}}<br>{{floor|Womb}}{{floor|Utero}}{{floor|Scarred Womb}}<br>{{room|dice}}
 
| behavior = 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.
 
| behavior = 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.
 
}}
 
}}
   
'''Boils''' start as small red spheres that slowly grow to full size. When at their full size, they can spurt out short-ranged blood shots at Isaac, similar to one of Monstro's attacks. Boils decrease in size when hit, but will regenerate to their full size until fully destroyed.
+
'''Boils''' start as small red spheres that slowly grow to full size. When at their full size, they can spurt out a cluster of blood shots at Isaac, similar to one of [[Monstro]]'s attacks. Boils decrease in size when hit, but will regenerate to their full size until fully destroyed.
 
Boils are nearly harmless on their own, as they can simply be killed from a distance and do not deal touch damage. With other enemies, however, they are far more dangerous: If entering a room with a large crowd of enemies and several Boils providing covering fire, taking out enough of the Boils to give yourself breathing room should be a big priority, especially when fighting [[Gurdy]].
 
   
 
__TOC__
 
__TOC__
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| name = Gut
 
| name = Gut
 
| base hp = 20
 
| base hp = 20
| environment = {{floor|The Caves}}{{floor|The Catacombs}}{{floor|Necropolis}}<br>{{dlc|a}}{{floor|Flooded Caves}}{{floor|The Depths}}{{floor|Dank Depths}}<br> Chance To Replace Boils
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| environment = {{floor|Caves}}{{floor|Catacombs}}{{floor|Flooded Caves}}<br>{{floor|Depths}}{{floor|Necropolis}}{{floor|Dank Depths}}<br>Chance to replace Boils
| behavior = 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.
+
| behavior = Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Fires {{i|Ipecac}} shots in random directions when fully swollen.
 
}}
 
}}
   
'''Guts''' can replace Boils or Sacks. Instead of firing multiple short-ranged blood shots, Guts fire [[Ipecac]] shots at Isaac that do not damage themselves.
+
'''Guts''' can replace Boils or Sacks. Instead of firing disorganized blood shots, Guts fire {{I|Ipecac}} shots at Isaac that do not damage them.
   
They can easily be a nuisance if other enemies are backing them. However, they are rather easy to manipulate into destroying rocks or finding Secret Rooms without using a bomb.
 
 
{{clear}}
 
{{clear}}
   
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| name = Sack
 
| name = Sack
 
| base hp = 20
 
| base hp = 20
| environment = {{floor|The Cellar}}{{floor|The Caves}}{{floor|The Catacombs}}{{floor|The Depths}}{{floor|Necropolis}}<br>{{dlc|a}}{{floor|Flooded Caves}}{{floor|Dank Depths}}<br> Chance To Replace Boils and Guts
+
| environment = {{floor|Cellar}}<br>{{floor|Caves}}{{floor|Catacombs}}{{floor|Flooded Caves}}<br>{{floor|Depths}}{{floor|Necropolis}}{{floor|Dank Depths}}<br>Chance to replace Boils and Guts
| behavior = Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Occasionally spawns Spiders when fully swollen.
+
| behavior = Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Occasionally spawns [[Spider]]s when fully swollen.
}} {{disambig msg|the enemy|the pickup|Sacks|other uses|Sack (disambiguation)}}
+
}} {{disambig msg|the enemy|the pickup|Sacks|title=Sack}}
   
'''Sacks''' don't shoot projectiles; instead, they periodically spawn [[Spider]]s when fully swollen. Therefore, damaging them will prevent them from spawning Spiders, making them easy to kill. They can commonly be found on the early floors.
+
'''Sacks''' don't shoot projectiles; instead, they periodically spawn a [[Spider]] when fully swollen. Therefore, damaging them will prevent them from spawning Spiders, making them easy to kill. They also regenerate much slower than Boils or Guts. They can commonly be found on the early floors.
 
{{clear}}
 
{{clear}}
   
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| id = 298
 
| id = 298
 
| base hp = 20
 
| base hp = 20
| environment = {{floor|???}} (Spawned By Hush) <br>{{dlc|a+}}{{floor|The Caves}}{{floor|The Catacombs}}{{floor|Flooded Caves}}<br>{{floor|The Depths}}{{floor|Necropolis}}{{floor|Dank Depths}}
+
| environment = {{floor|Caves}}{{floor|Catacombs}}{{floor|Flooded Caves}}<br>{{floor|Depths}}{{floor|Necropolis}}{{floor|Dank Depths}}<br>{{floor|???}}<br>(Spawned By Hush)
 
| behavior = 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.
 
| behavior = 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.
 
}}
 
}}
   
'''Blue Boils''' are only spawned during the [[Hush]] fight. Instead of spraying spurts of blood, they fire normal blood shots towards Isaac. They also regain their health 10x faster than regular Boils if they are damaged but not killed.
+
'''Blue Boils''' are mainly spawned during the [[Hush]] fight. They spawn fully swollen and don't need to charge up like regular Boils. Instead of spraying clusters of blood shots, they fire either one blood shot, or three blood shots in a spread towards Isaac. They also regain their health 10x faster than regular Boils if they are damaged but not killed.
  +
 
{{dlc|a+}} They can also rarely appear in {{s|Depths}}, {{s|Necropolis}}, or the {{s|Dank Depths}}.
  +
 
==== Notes ====
 
* Blue Boils that appear in regular rooms can be [[Champion]]s.
  +
* Blue Boils' shots deal a full heart of damage to Isaac.
  +
* {{dlc+|r}} They can also appear in {{s|???}} with the use of {{i|Red Key}} or by entering Treasure Rooms with the {{t|Blue Key}}.{{dlc-}}
   
=== Notes ===
 
* {{dlc|a+}} Blue Boils can rarely appear in [[The Depths]], [[Necropolis]], or the [[Dank Depths]].
 
** Blue Boils that appear in regular rooms can be [[Champion]]s.
 
 
{{clear}}
 
{{clear}}
   
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| base hp = 20
 
| base hp = 20
 
| environment = {{floor|Dank Depths}}
 
| environment = {{floor|Dank Depths}}
| behavior = Stationary, harmless enemy that continually creates slowing black creep.
+
| behavior = Stationary, harmless enemy that continually creates slowing [[Creep#Black Creep|black creep]].
 
}}
 
}}
   
 
'''Gushes''' are stationary, being unable to do any form of damage. Instead, they continuously create slowing [[Creep#Black Creep|Black Creep]] around them that slowly expands infinitely in radius and can cover the entire room if left alive for long enough. Unlike other Boil variants, they do not shrink or regenerate.
Gushes were added in [[Booster Packs#Booster Pack #4|Booster Pack #4]].
 
   
 
Although the Black Creep is relatively harmless on its own, [[Tar Boy]]s can use their special attack if Isaac is standing on the creep.
'''Gushes''' are stationary enemies similar in appearance to black Boils. They are stationary, being unable to do any form of damage. Instead, they continually create slowing black creep around them. Unlike other Boil variants, they do not shrink or regenerate.
 
   
  +
==== Trivia ====
Although the black creep is relatively harmless on its own, [[Tar Boy]]s can use their special attack if Isaac is standing on the creep.
 
 
* Gushes were added in [[Booster Pack #4]], after the initial release of the DLC.
 
{{clear}}
 
{{clear}}
   
== Walking Boil ==
+
=== Pustule ===
  +
{{infobox entity
  +
| dlc = r
  +
| name = Pustule
  +
| id = 861
  +
| base hp = 19
  +
| environment = {{floor|Corpse}}
  +
| behavior = Slowly increases in size over time, spawning [[Maggot#Small_Maggot|Small Maggots]] and damaging [[Creep#Red_Creep|red creep]] depending on its size upon death. If it grows to full size, it transforms into a [[Bloodfly]].
  +
}}
  +
  +
'''Pustules''' are stationary enemies that appear to grow out of the ground, unlike Boils they do not shrink when damaged and instead continuously swell in size. When destroyed at the smallest stages, they explode into a tiny puddle of [[Creep#Red_Creep|Red Creep]] and don't spawn anything. When destroyed at the last 2 stages of swelling they spawn a [[Maggot#Small_Maggot|Small Maggot]] and a small pool of Red Creep, and if not destroyed, they will burst into a [[Bulb#Bloodfly|Bloodfly]] and a slightly larger puddle of Red Creep.
  +
  +
{{clear}}
  +
  +
=== Walking Boil ===
 
{{infobox entity
 
{{infobox entity
 
| name = Walking Boil
 
| name = Walking Boil
 
| id = 88
 
| id = 88
 
| base hp = 20
 
| base hp = 20
| environment = {{floor|The Catacombs}}{{floor|Necropolis}}{{floor|The Womb}}{{floor|Utero}}<br>{{dlc|a}}{{floor|Scarred Womb}}
+
| environment = {{floor|Catacombs}}<br>{{floor|Necropolis}}<br>{{floor|Womb}}{{floor|Utero}}{{floor|Scarred Womb}}
 
| behavior = Does not shrink or regenerate. Walks around aimlessly and fires multiple short-ranged blood projectiles in random directions.
 
| behavior = Does not shrink or regenerate. Walks around aimlessly and fires multiple short-ranged blood projectiles in random directions.
 
}}
 
}}
   
Walking Boils act like Boils but randomly wander around the room, can deal half a heart of contact damage and don't shrink or regenerate.
+
'''Walking Boils''' act like Boils, but randomly wander around the room, can deal half a heart of contact damage, and don't shrink or regenerate.
 
{{clear}}
 
{{clear}}
   
== Walking Gut ==
+
=== Walking Gut ===
 
{{infobox entity
 
{{infobox entity
 
| name = Walking Gut
 
| name = Walking Gut
 
| base hp = 20
 
| base hp = 20
| environment = {{floor|The Catacombs}}{{floor|Necropolis}}<br>{{dlc|a}}{{floor|The Caves}}
+
| environment = {{floor|Caves}}{{floor|Catacombs}}<br>{{floor|Necropolis}}
| behavior = Does not shrink or regenerate. Walks around aimlessly and fires Ipecac shots in random directions.
+
| behavior = Does not shrink or regenerate. Walks around aimlessly and fires {{i|Ipecac}} shots in random directions.
 
}}
 
}}
   
Walking Guts act like Guts but randomly wander around the room, can deal half a heart of contact damage and don't shrink and regenerate.
+
'''Walking Guts''' act like Guts, but randomly wander around the room, can deal half a heart of contact damage, and don't shrink and regenerate.
 
{{clear}}
 
{{clear}}
   
== Walking Sack ==
+
=== Walking Sack ===
 
{{infobox entity
 
{{infobox entity
 
| name = Walking Sack
 
| name = Walking Sack
 
| base hp = 20
 
| base hp = 20
| environment = {{floor|The Cellar}}{{floor|The Catacombs}}{{floor|Necropolis}}<br>{{dlc|a}}{{floor|The Depths}}<br>{{dlc|a+}}{{floor|Dank Depths}}
+
| environment = {{floor|Cellar}}<br>{{floor|Catacombs}}<br>{{floor|Depths}}{{floor|Necropolis}}{{floor|Dank Depths}}
| behavior = Does not shrink or regenerate. Walks around aimlessly and occasionally spawns Spiders.
+
| behavior = Does not shrink or regenerate. Walks around aimlessly and occasionally spawns [[Spider]]s.
 
}}
 
}}
   
Walking Sacks act like Sacks but randomly wander around the room, can deal half a heart of contact damage and don't shrink or regenerate.
+
'''Walking Sacks''' act like Sacks, but randomly wander around the room, can deal half a heart of contact damage, and don't shrink or regenerate.
 
{{clear}}
 
{{clear}}
   
 
== Notes ==
 
== Notes ==
* While regular boils can be touched without taking damage, [[champion]] forms ''do'' inflict one heart of damage on touch (like all champions).
+
* {{dlc|na+}} While regular Boils can be touched without taking damage, [[champion]] forms ''do'' inflict one heart of damage on touch (like all champions).
* [[Champion]] boils grow significantly slower but take more hits to deflate. The exception to this is gray champions, which grow faster and take fewer hits to deflate.
+
* [[Champion]] Boils grow significantly slower but take more hits to deflate. The exception to this is gray champions, which grow faster and take fewer hits to deflate.
  +
  +
== Trivia ==
  +
* {{dlc|r}} A [[wikipedia:Skin_condition#Pustule|pustule]] is the scientific name for a pimple.
  +
* {{dlc|r}} Pustules in ''Antibirth'' would burst into Small Maggots as puddles of Green Creep as opposed to the Bloodfly and Red Creep in ''Repentance''.
   
 
{{nav}}
 
{{nav}}

Revision as of 18:40, 7 September 2021

Boils start as small red spheres that slowly grow to full size. When at their full size, they can spurt out a cluster of blood shots at Isaac, similar to one of Monstro's attacks. Boils decrease in size when hit, but will regenerate to their full size until fully destroyed.

Variants

Gut

Guts can replace Boils or Sacks. Instead of firing disorganized blood shots, Guts fire Collectible Ipecac iconIpecac shots at Isaac that do not damage them.

Sack

This article is about the enemy. For the pickup, see Sacks. For other uses, see Sack (Disambiguation).

Sacks don't shoot projectiles; instead, they periodically spawn a Spider when fully swollen. Therefore, damaging them will prevent them from spawning Spiders, making them easy to kill. They also regenerate much slower than Boils or Guts. They can commonly be found on the early floors.

Blue Boil

(except in Rebirth)

Blue Boils are mainly spawned during the Hush fight. They spawn fully swollen and don't need to charge up like regular Boils. Instead of spraying clusters of blood shots, they fire either one blood shot, or three blood shots in a spread towards Isaac. They also regain their health 10x faster than regular Boils if they are damaged but not killed.

(in Afterbirth † and Repentance) They can also rarely appear in DepthsDepths, NecropolisNecropolis, or the Dank DepthsDank Depths.

Notes

  • Blue Boils that appear in regular rooms can be Champions.
  • Blue Boils' shots deal a full heart of damage to Isaac.
  • (in Repentance) They can also appear in ?????? with the use of Collectible Red Key iconRed Key or by entering Treasure Rooms with the Blue KeyBlue Key.

Gush

(in Afterbirth † and Repentance)

Gushes are stationary, being unable to do any form of damage. Instead, they continuously create slowing Black Creep around them that slowly expands infinitely in radius and can cover the entire room if left alive for long enough. Unlike other Boil variants, they do not shrink or regenerate.

Although the Black Creep is relatively harmless on its own, Tar Boys can use their special attack if Isaac is standing on the creep.

Trivia

  • Gushes were added in Booster Pack #4, after the initial release of the DLC.

Pustule

(in Repentance)

Pustules are stationary enemies that appear to grow out of the ground, unlike Boils they do not shrink when damaged and instead continuously swell in size. When destroyed at the smallest stages, they explode into a tiny puddle of Red Creep and don't spawn anything. When destroyed at the last 2 stages of swelling they spawn a Small Maggot and a small pool of Red Creep, and if not destroyed, they will burst into a Bloodfly and a slightly larger puddle of Red Creep.

Walking Boil

Walking Boils act like Boils, but randomly wander around the room, can deal half a heart of contact damage, and don't shrink or regenerate.

Walking Gut

Walking Guts act like Guts, but randomly wander around the room, can deal half a heart of contact damage, and don't shrink and regenerate.

Walking Sack

Walking Sacks act like Sacks, but randomly wander around the room, can deal half a heart of contact damage, and don't shrink or regenerate.

Notes

  • (in Rebirth and Afterbirth) While regular Boils can be touched without taking damage, champion forms do inflict one heart of damage on touch (like all champions).
  • Champion Boils grow significantly slower but take more hits to deflate. The exception to this is gray champions, which grow faster and take fewer hits to deflate.

Trivia

  • (in Repentance) A pustule is the scientific name for a pimple.
  • (in Repentance) Pustules in Antibirth would burst into Small Maggots as puddles of Green Creep as opposed to the Bloodfly and Red Creep in Repentance.