Betrayal

ItemAfterbirthLocked

passiveGame ID 391★★★★

How do you unlock Betrayal?

In The Binding of Isaac, Betrayal is unlocked by earning the Hush completion mark as Judas (Character).

Structured pathSource-backed requirements are mapped into trackable steps.

[Before Repentance] Charms all enemies in the room when Isaac takes damage. / [Repentance] Enemies are able to damage each other. If an enemy is damaged by another enemy, they will attack that enemy instead of Isaac.

See the full unlock path for Betrayal — 5 steps

Betrayal (Achievement)
- Judas (Character) → Hush (normal)
  1. Defeat Mom's Heart for the 10th time to unlock Blue Womb. source
  2. Defeat Mom's Heart or It Lives! within 30 minutes and enter the door to Blue Womb. source
  3. Defeat Hush in Blue Womb. source
  - Judas (Character)

Show full path Show missing

What unlocking Betrayal leads to

Nothing depends on this yet.

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13