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Keeper's Box

AchievementRepentanceUnlock unknown

Achievement details

Achievement number: 465
Description: Complete the final chapter with Keeper.
Requirement: Defeat The Beast as Keeper

How do you unlock Keeper's Box?

In The Binding of Isaac, Keeper's Box is unlocked by earning the The Beast completion mark as Keeper (Character).

Structured pathSource-backed requirements are mapped into trackable steps.

Complete the final chapter with Keeper.

Keeper (Character) → The Beast (normal)
1. A Strange Door is unlocked by beating Mother for the first time. source
2. Take The Polaroid or The Negative after Mom, escape the boss room, then use it to open A Strange Door. source
3. Find Dad's Note, complete the Ascent to Home, then defeat Dogma, the Ultra Harbingers, and The Beast. source
- Keeper (Character)
  - Keeper (Achievement)

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What unlocking Keeper's Box leads to

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13