Book of the Dead

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

Effects

 * When used, spawns one of the following for each enemy already killed in the current room:
 * An orbital bone familiar (very common).
 * A friendly Bony (uncommon).
 * A friendly Bone Fly (uncommon).
 * A friendly Black Bony (rare).
 * A friendly Revenant (rare).

Interactions

 * Baby-Bender: No effect.
 * : Since dead enemies can be animated only once, Car Battery does nothing.
 * : Poison effect can spread to and kill friendly Bonies.
 * Poison cannot spread to friendly summons.
 * n: Only affects orbitals.

Seeds
37NG LGBJ (Treasure Room south of spawn)

Trivia

 * The Book of the Dead has been added in Booster Pack, 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.