Mysterious Paper
TrinketRebirthLocked
How do you unlock Mysterious Paper?
In The Binding of Isaac, Mysterious Paper is unlocked by earning the ??? completion mark as Eden (Character).
Structured pathSource-backed requirements are mapped into trackable steps.
Has a chance to replicate the effects of A Missing Page, The Polaroid, The Negative, or Missing Poster.
What unlocking Mysterious Paper leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13