The Necronomicon is an unlockable activated item.
- Many collectibles will produce effects similar to the Necronomicon, such as depleting a Black Heart or blocking projectiles with Dry Baby.
- The Necronomicon deals a considerable amount of damage to bosses that have multiple damageable parts, e.g. Larry Jr. and The Hollow.
- This item also does high enough damage to instantly kill most non-boss enemies.
- The Necronomicon is a fictional grimoire appearing in the works of horror writer H.P. Lovecraft.
- The book seems to be bound in human skin, which explains the face on its cover.
- The face on the cover is another reference to The Evil Dead franchise, which has the same face on its Necronomicon.
|The Binding of Isaac: Rebirth|
|Achievements||Attributes||Bosses||Cards and Runes||Challenges||Chapters|