Alabaster Box
AchievementRepentanceUnlock unknown
Achievement details
- Achievement number
- 420
- Description
- Complete the Dark Room with Bethany.
- Requirement
- Defeat The Lamb as Bethany
How do you unlock Alabaster Box?
In The Binding of Isaac, Alabaster Box is unlocked by earning the The Lamb completion mark as Bethany (Character).
Structured pathSource-backed requirements are mapped into trackable steps.
Complete the Dark Room with Bethany.
- Defeat Satan 5 times to unlock The Negative. source
- The Negative is a guaranteed drop from Mom; take it, then defeat Satan in Sheol and touch the chest to enter Dark Room. source
- Find and defeat The Lamb in Dark Room. source
How to unlock: Defeat Mom's Heart or It Lives! on hard mode as Lazarus, without dying at all
What unlocking Alabaster Box leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13