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Book of Shadows item
Book of Shadows is an active item in The Binding of Isaac.
Description
Creates a protective shield around Isaac, negating all types of damage in the room for 10 seconds.
Prevents damage from 
Blood Donation Machines, 
Devil Beggars, 
Hell Games, and 
Confessionals.
Does not prevent damage from IV Bag.
Note
This page shows information as of the latest Repentance release.
To see latest up-to date information about this item for the new Repentance+ (Online Co-op) DLC, check this page instead.
Transformations
Item pools
Book of Shadows can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
1.0/1.0
|
| Library |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| book | Contributes towards the Bookworm transformation. |
| offensive | Can appear for  Tainted Lost. |
Special synergies
The following special synergies and interactions for Book of Shadows have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues | Spawns shielded wisps in the middle ring. The wisps have 1 HP and can only be destroyed by contact damage, whilst being immune to projectiles. |
* Note that not all possible synergies and interactions are listed here.
External links
- Check out the item description on the external Isaac Wiki.
Mom's Eye 
Lemon Mishap 
Distant Admiration 
The Ladder 
Charm of the Vampire 
The Battery