Meconium
TrinketAfterbirth+Locked
How do you unlock Meconium?
In The Binding of Isaac, Meconium is unlocked by earning the Ultra Greedier completion mark as ??? (Character) on hard mode.
Structured pathSource-backed requirements are mapped into trackable steps.
Black Poops can drop Black Heart when destroyed. Poop has a chance to turn into Black Poop.
See the full unlock path for Meconium — 5 stepsWhat unlocking Meconium leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13