Binding of Isaac: Rebirth Wiki
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Book of Shadows is an activated item.

Effect[ | ]

  • Creates a protective shield, nullifying all types of damage in the current room for 10 seconds.
  • (in Afterbirth † and Repentance) This item belongs to the BookwormBookworm set. Collecting three items from this set will transform Isaac into Bookworm.

Notes[ | ]

Synergies[ | ]

  • (in Repentance)Collectible 4.5 Volt icon4.5 Volt: With sufficient damage, the Book of Shadows can be kept active indefinitely.
    • If combined with Collectible 9 Volt icon9 Volt, it will be easier to achieve invincibility.
  • (in Repentance)Collectible Book of Virtues iconBook of Virtues: Spawns shielded wisps in the middle ring. The wisps have 1 health, but will not be damaged by blocking projectiles, and can only be destroyed on contact with enemies. When Book of Shadows is active, wisps are immune to all damage, allowing for easy melee kills.
  • (except in Rebirth)Collectible Car Battery iconCar Battery: Doubles the duration of invulnerability.
  • Collectible Cube of Meat iconCube of Meat and most other orbitals: Highly effective with Book of Shadows, as Isaac can run into enemies with an active shield to deal massive amounts of damage.
  • (except in Repentance)Collectible Razor Blade iconRazor Blade: Can be used at no cost while the Book of Shadows shield is present, allowing damage to be significantly increased for the room.

Interactions[ | ]

  • (in Repentance)Collectible Blood Oath iconBlood Oath: If the book is used just before the knife stabs Isaac, he will not lose any health, nor gain any stat upgrades associated with the item. An incredibly useful item to find in Bloody Mary (challenge #37).

In-game Footage[ | ]

Trivia[ | ]

  • The Book of Shadows is an infamous book of religious texts and instructions for magical rituals found within the Neopagan religion of Wicca.

Gallery[ | ]


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