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Ghost Bombs

AchievementRepentanceUnlock unknown

Achievement details

Achievement number: 594
Description: ???
Requirement: Defeat Delirium as Tainted Lost

How do you unlock Ghost Bombs?

In The Binding of Isaac, Ghost Bombs is unlocked by earning the Delirium completion mark as Tainted Lost.

Structured pathSource-backed requirements are mapped into trackable steps.

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Tainted Lost → 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 Lost
  - The Baleful
    How to unlock: Use Red Key (etc.) to open the hidden closet in Home as The Lost

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What unlocking Ghost Bombs leads to

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13