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Void

AchievementAfterbirth+Unlock unknown

Achievement details

Achievement number: 295
Description: Unlocked a new item.
Requirement: Defeat Delirium as Apollyon

How do you unlock Void?

In The Binding of Isaac, Void is unlocked by earning the Delirium completion mark as Apollyon (Character).

Structured pathSource-backed requirements are mapped into trackable steps.

Unlocked a new item.

Apollyon (Character) → 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
- Apollyon (Character)
  - Apollyon (Achievement)

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What unlocking Void leads to

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13