The Necronomicon
ItemRebirthLocked
activeGame ID 35★★★★
How do you unlock The Necronomicon?
In The Binding of Isaac, The Necronomicon is unlocked by unlocking The Necronomicon (Achievement).
Structured pathSource-backed requirements are mapped into trackable steps.
Deals 40 damage to every enemy in the room.
How to unlock: Use XIII - Death 4 times
What unlocking The Necronomicon leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13