Binding of Isaac: Rebirth Wiki
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The Hollow is a boss that can appear in Error: The given stage ("The Catacombs") does not exist..

It has 22 HP per segment.

Behavior

The number of individual The Hollow bodies that can spawn each fight can vary from 1-4. The most common encounter with The Hollow is with 2 bodies.

  • Flies around the room diagonally, bouncing off of walls.
    • The Hollow appears to travel faster when moving at verticle angles compared to horizontal.
    • The Hollow can change direction if it collides with Isaac.
  • Occasionally spawns poop while moving.
  • The Hollow's segments can be split into smaller copies of the boss as long as the new Hollow segments are longer than 2 pieces.

There is a chance that a Grub can spawn alongside a shorter Hollow (basically replacing a second Hollow).

Champion Versions Needs to be unlocked

  • Dark Grey: 15% larger and has 25% more HP (27.5). Each segment that isn't the head spawns a Boom Fly when killed.
    • The head will spawn a Boom Fly only if killed immediately after spawning.
  • Gold: 15% larger and has 25% more HP (27.5). Each segment that isn't the head will drop a coin on death.
    • The head will drop a coin only if killed immediately after spawning.
  • Green: Chance for each segment that isn't the head to spawn a Charger on death. Occasionally stops movement to shoot 3 bullets at wherever it is facing.
    • The head will spawn a Charger only if killed immediately after spawning.

Gallery

Notes

  • Piercing tears make fighting The Hollow much easier, as each tear can damage multiple segments.
    • (in Repentance) Piercing shots no longer damage segmented enemies multiple times per attack.

Trivia

  • The Hollow was added in the Wrath of the Lamb DLC for the original The Binding of Isaac.
  • It is the posthumous version of Larry Jr..
  • The definition of hollow is empty on the inside or surface, which could explain the boss's paleness and complexion.
  • The Hollow is the only boss that has three Champion versions.
  • The Hollow is the only regular boss that can be spawned by Mega Satan between thresholds.

Bugs

Bug Bug! (in Rebirth and Afterbirth) Sometimes this boss will get stuck in the wall when slowed.



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