The Lost
AchievementRebirthUnlock unknown
Achievement details
- Achievement number
- 82
- Description
- Unlocked a new character.
- Requirement
- [before Afterbirth] It's complicated / [Afterbirth] Die in a Sacrifice Room while holding Missing Poster
How do you unlock The Lost?
In The Binding of Isaac, The Lost is unlocked by unlocking Missing Poster (Trinket) and unlocking Die in a Sacrifice Room with Missing Poster.
Structured pathSource-backed requirements are mapped into trackable steps.
Unlocked a new character.
See the full unlock path for The Lost — 5 stepsWhat unlocking The Lost leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13