Book of the Dead

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Item icon
Item altar
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(page 5, column 20, row 3)

Book of the Dead Defeat Delirium as The Forgotten
Added in Afterbirth †

Book of the Dead is an unlockable active item added in The Binding of Isaac: Afterbirth †.

Effects[edit | edit source]

  • When used, spawns one of the following for each enemy already killed in the current room:
  • This item belongs to the Bookworm set. Collecting three items from this set will transform Isaac into Bookworm.

Notes[edit | edit source]

  • Orbital bones deal contact damage equal to Isaac's damage at the time it was spawned, repel enemies that touch it, and will block 3 shots or deal 2 ticks of contact damage before being destroyed.
  • Bonies deal 8.3 contact damage and 5 damage with thrown bones.
  • Black Bonies will explode on death, dealing 40 damage to enemies it hits. The explosion will not hurt Isaac, but can push him.
  • Internally, the Book tracks each position an enemy was killed in the current room, and uses those locations as spawn points for bone orbitals and Bonies; using the book gives a **high probability** for each location to give one of them.
    • If one of these locations doesn't give a bone orbital or bony, it can still give one if the book is used in the same room without leaving. However, once a location gives something, it cannot do so again.
  • Using the book in a room that had no enemies or was re-entered does nothing and expends the charge.
  • Orbital bones occupy the same area around Isaac as Blue Flies, meaning Isaac can have an incredibly dense ring of bone orbitals around him that nullifies most attacks.
    • Having a large amount of blue flies can create gaps in the ring of bone orbitals that leave Isaac vulnerable in those spots.
  • Friendly monsters killed in the current room can also be used by Book of the Dead.
  • Destroying black poop will damage the friendly Bonies acquired from this item.
  • The nature of this item makes it fairly useful in Greed mode/Greedier mode.

Interactions[edit | edit source]

In-game Footage[edit | edit source]

Unlockable Achievements[edit | edit source]

  • Mystery Egg
    Mystery Egg - Spawn three charmed enemies in the same room.

Gallery[edit | edit source]

Trivia[edit | edit source]

  • The Book of the Dead has been added in Booster Pack #5, after the initial release of the DLC.
  • The Book of the Dead is a collection of ancient Egyptian funerary texts made out of papyrus, consisting of magic spells intended to assist a soul's journey through the Duat (underworld) and into the afterlife.
  • The quote "Rise from the Grave" is a reference to the beginning screen of the video game Altered Beast.

Bugs[edit | edit source]

Bug Bug! If sufficiently many bone orbitals are created, other familiars may disappear. Collecting a new familiar or resuming the run will restore the missing familiars.

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