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Dark Arts

AchievementRepentanceUnlock unknown

Achievement details

Achievement number: 587
Description: ???
Requirement: Defeat Delirium as Tainted Judas

How do you unlock Dark Arts?

In The Binding of Isaac, Dark Arts is unlocked by earning the Delirium completion mark as Tainted Judas.

Structured pathSource-backed requirements are mapped into trackable steps.

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Tainted Judas → Delirium (normal)
1. Defeat Hush to unlock The Void. source
2. A Void portal can appear after a major boss; defeating Hush guarantees one. source
3. Defeat Delirium, the main boss of The Void. source
- Tainted Judas
  - The Deceiver
    How to unlock: Use Red Key (etc.) to open the hidden closet in Home as Judas

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What unlocking Dark Arts leads to

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13