Soul of Judas

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How do you unlock Soul of Judas?

In The Binding of Isaac, Soul of Judas is unlocked by earning every normal-mode completion mark as Tainted Judas.

Structured pathSource-backed requirements are mapped into trackable steps.

Increases Isaac's speed and makes him invulnerable for 3 seconds and allows him to pass through enemies. Damages all enemies and destroys all projectiles Isaac ran through when the effect ends, and grants a temporary Damage bonus for each enemy and projectile hit.

See the full unlock path for Soul of Judas — 5 steps

Soul of Judas (Achievement)
- All of
  - Tainted Judas → 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
  - Tainted Judas → Boss Rush (normal)

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What unlocking Soul of Judas leads to

Nothing depends on this yet.

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13