Lil Abaddon
AchievementRepentanceUnlock unknown
Achievement details
- Achievement number
- 455
- Description
- Complete the final chapter with Azazel.
- Requirement
- Defeat The Beast as Azazel
How do you unlock Lil Abaddon?
In The Binding of Isaac, Lil Abaddon is unlocked by earning the The Beast completion mark as Azazel (Character).
Structured pathSource-backed requirements are mapped into trackable steps.
Complete the final chapter with Azazel.
- A Strange Door is unlocked by beating Mother for the first time. source
- Take The Polaroid or The Negative after Mom, escape the boss room, then use it to open A Strange Door. source
- Find Dad's Note, complete the Ascent to Home, then defeat Dogma, the Ultra Harbingers, and The Beast. source
How to unlock: Make 3 Deals with the Devil in one run
What unlocking Lil Abaddon leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13