Burning Basement
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(chapter 1) |
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The Burning Basement is one of the environments in chapter 1 added in The Binding of Isaac: Afterbirth. The theme of the Burning Basement is fire, and most enemies are replaced with burning versions. There are relatively few flying or shooting enemies; most of the enemies are ground-based and rely on contact damage. Rocks have a chance to be replaced with Fire Places.
The Burning Basement's alternate floors are The Basement and
The Cellar.
The Burning Basement is unlocked by defeating Mom's Heart 11 times.
Monsters[edit | edit source]
Monster | Description |
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Frowning Gaper![]() |
Walks towards Isaac, dealing contact damage. Upon getting near Isaac, it will open its eyes and pursue Isaac faster. Usually turns into a Pacer or a Gusher upon death. |
Gaper![]() |
Walks towards Isaac, dealing contact damage. Usually turns into a Pacer or a Gusher upon death. |
Flaming Gaper![]() |
Walks towards Isaac, dealing contact damage. Usually turns into a Pacer or a Gusher upon death. |
Gusher![]() |
Walks aimlessly around the room, occasionally firing a short ranged blood shot. |
Pacer![]() |
Walks aimlessly around the room. |
Horf![]() |
Stationary enemy that fires a medium-ranged blood shot at Isaac when he gets in range of them. |
Pooter![]() |
Slow-moving fly that occasionally fires single blood shots at Isaac. Does not deal touch damage. |
Clotty![]() |
Randomly wanders around the room, firing 4 blood shots in the cardinal directions. |
Clot![]() |
Randomly wanders around the room, firing 4 tar shots in the ordinal directions. |
I.Blob![]() |
Randomly wanders around the room, firing 8 shots in all directions. |
Mulligan![]() |
Walks around the room, avoiding Isaac. Upon death, spawns several flies, which can be Flies, Attack Flies or Pooters. Can suicide to explode and launch four projectiles in the cardinal directions while still releasing flies. |
Mulligoon![]() |
Walks around the room, avoiding Isaac. Upon death, spawns a Troll Bomb and fires four shots in the ordinal directions. Can suicide to explode, spawn a Troll bomb, and launch eight projectiles in all directions. |
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![]() |
Red fly that follows Isaac and deals touch damage. |
Hopper![]() |
Slowly hops around the room, doing touch damage. Can turn into a Flaming Hopper by jumping into fire. |
Trite![]() |
Quickly leaps towards Isaac and deals touch damage. |
Sack![]() |
Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Occasionally spawns Spiders when fully swollen. |
Flaming Hopper![]() |
Quickly hops around the room, doing touch damage. Covers a larger distance than the regular Hopper. |
Sucker![]() |
Flies slowly towards Isaac, exploding into 4 shots in the cardinal directions upon death. |
Spit![]() |
Flies slowly towards Isaac, firing an Ipecac shot towards Isaac upon death. |
Embryo![]() |
Aimlessly hops around the room, dealing contact damage. |
Moter![]() |
Follows Isaac, similar to Attack Flies. Splits into 2 Attack Flies upon death. |
Spider![]() |
Erratically moves towards Isaac and deals touch damage. |
Walking Sack![]() |
Does not shrink or regenerate. Walks around aimlessly and occasionally spawns Spiders. |
Big Spider![]() |
Erratically moves towards Isaac and deals touch damage. Splits into two Spiders upon death. |
Eternal Fly![]() |
Invulnerable fly that circles Corny Poop and various monsters. Turns into a vulnerable Attack Fly after the object or monster it circles is destroyed. |
Nest![]() |
Walks around the room, avoiding Isaac while spawning Spiders. Spawns a Big Spider or a Trite upon death. |
Baby Long Legs![]() |
Runs away from Isaac and frequently spawns Spiders. |
Small Baby Long Legs![]() |
Runs away from Isaac and occasionally spawns Sacks. |
Crazy Long Legs![]() |
Chases Isaac, dealing touch damage. Occasionally stops to spit 8 blood shots in all directions. |
Small Crazy Long Legs![]() |
Chases Isaac, dealing touch damage. Occasionally stops to spit 4 blood shots in the diagonal directions. |
Fatty![]() |
Slowly walks towards Isaac. Occasionally farts, which pushes Isaac and adjacent enemies away. |
Flaming Fatty![]() |
Slowly walks towards Isaac. Occasionally farts, which pushes Isaac and adjacent enemies away. Has a chance to leave behind a damaging flame upon death. |
Dip![]() |
Slowly dashes in random directions, dealing contact damage. |
Wall Hugger![]() |
Moves around the room like Guts, damaging Isaac by contact. Cannot be destroyed. |
Squirt![]() |
Dashes towards the player and deals contact damage. Spawns 2 Dips upon death. |
Ring Fly![]() |
Gathers with any other Ring Flies in the room. These flies orbit around themselves while following Isaac. |
Skinny![]() |
Slowly walks towards Isaac, leaving short-lasting Red Creep behind itself. |
Crispy![]() |
Slowly walks towards Isaac, but increases in speed as they take damage. Constantly passively takes damage. |
Wall Creep![]() |
Crawls along walls to try to line up with Isaac and shoots three blood shots in a line. |
Round Worm![]() |
Pops out of the ground in random locations and spits a blood shot at Isaac if he is in sight. |
Full Fly![]() |
Flies toward Isaac erratically, dealing touch damage. Releases 6 bullets in all directions upon death. |
Ticking Spider![]() |
Crawls around the room erratically, following Isaac and dealing touch damage. Can jump small distances. Explodes upon death. |
Dart Fly![]() |
Flies towards Isaac and attempts to mimic his movements. Deals contact damage. |
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![]() |
Follows Isaac in large groups and deals contact damage. |
Cyclopia![]() |
Walks towards Isaac, dealing contact damage and leaving behind a short-lasting trail of damaging Red Creep. Occasionally shoots a blood shot towards Isaac. |
Dukie![]() |
Flies around the room diagonally, occasionally spitting out 1-2 Dart Flies. |
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. |
Degraded Bosses |
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Bosses[edit | edit source]
The Duke of Flies | Larry Jr. | The Haunt |
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Monstro | The Fallen ![]() |
Famine ![]() |
The Headless Horseman ![]() |
Little Horn ![]() |
Rag Man ![]() |
Unlockable Achievements[edit | edit source]
- Monstro's Tooth - Beat chapter 1.
- Basement Boy - Beat chapter 1 without taking damage.
Trivia[edit | edit source]
- Despite being called the Burning Basement, the backdrop of the floor is actually based on The Cellar.
Music[edit | edit source]
The track that plays in the Burning Basement is titled Fundamentum.
Binding of Isaac: Afterbirth OST
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Chapter 1 | Chapter 2 | Chapter 3 | Chapter 4 | Optional | Chapter 5 | Chapter 6 | Endgame | |
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![]() Sheol ![]() Cathedral |
![]() Dark Room ![]() The Chest | ||
The Basement | The Caves | The Depths | The Womb | |||||
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The Cellar | The Catacombs | Necropolis | Utero | ??? | The Void | |||
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Burning Basement | Flooded Caves | Dank Depths | Scarred Womb | |||||
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The Basement | The Caves | The Depths | The Womb | Sheol | The Shop | Ultra Greed |
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