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The Necronomicon is an unlockable activated item.

Effect[ | ]

  • Deals 40 damage to every enemy in the room.
  • (in Afterbirth † and Repentance) This item belongs to the BookwormBookworm set. Collecting three items from this set will transform Isaac into Bookworm.

Notes[ | ]

  • Many collectibles will produce effects similar to the Necronomicon, such as depleting a Black HeartBlack 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. Boss Larry Jr. ingameLarry Jr. and Boss The Hollow ingameThe Hollow.
  • This item also does high enough damage to instantly kill most non-boss enemies.

Synergies[ | ]

In-game Footage[ | ]

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.

Gallery[ | ]


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