Binding of Isaac: Rebirth Wiki
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The Necronomicon is an unlockable activated item.

Effect

  • Deals 40 damage to every enemy in the room.
  • Template:Transf

Notes

  • Many collectibles will produce effects similar to the Necronomicon, such as depleting a Black Heart or blocking projectiles with Collectible Dry Baby iconDry 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.

Synergies

  • (in Repentance)A Missing PageA Missing Page / (in Repentance)Collectible Missing Page 2 iconMissing Page 2: Increases the damage from 40 to 80.
    • A Missing Page + Missing Page 2: The damage increase stacks for a total of 120 damage.

In-game Footage

Gallery

Trivia

  • 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.


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