A Fetus in a Jar
AchievementRebirthUnlock unknown
Achievement details
- Achievement number
- 11
- Description
- Unlocked a new item.
- Requirement
- Defeat Mom's Heart 9 times
How do you unlock A Fetus in a Jar?
In The Binding of Isaac, A Fetus in a Jar is unlocked by reaching 9 defeat mom's heart or it lives!.
Structured pathSource-backed requirements are mapped into trackable steps.
Unlocked a new item.
- Defeat Mom's Heart or It Lives! (0/9)
What unlocking A Fetus in a Jar leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13