D infinity

AchievementAfterbirth+Unlock unknown

Achievement details

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

Structured pathSource-backed requirements are mapped into trackable steps.

Unlocked a new item.

Isaac (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
- Isaac (Character)

Imported 2026-09-13