The Necronomicon is an unlockable activated item.
Effect[]
- Deals 40 damage to every enemy in the room.
This item belongs to the Bookworm set. Collecting three items from this set will transform Isaac into Bookworm.
This item belongs to the Notes[]
- 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.
Synergies[]
- A Missing Page / Missing 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.
- Book of Virtues: Spawns black wisps on the inner ring. The wisps deal 40 damage to all enemies in the room when destroyed. This is not boosted by BFFS!, but is boosted by A Missing Page and Missing Page 2.
In-game Footage[]
Trivia[]
- The Necronomicon is a fictional grimoire appearing in the works of horror writer H.P. Lovecraft.
- A Missing Page and Missing Page 2 are both references to missing pages of the Necronomicon appearing in Evil Dead.
- 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[]
3DS The icon of The Necronomicon as seen on the lower 3DS screen.
Picture of The Necronomicon when activated.
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 The Binding of Isaac: Rebirth
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