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Book of Seen item
Book of Seen is an unlockable active item in Benighted Soul, a mod for The Binding of Isaac.
Description
While held
An extra book item will appear in the Treasure Room.
On use
Stores active book items in the current room, and then triggers the effects of stored ones.
How to unlock?
Defeat Ultra Greedier as Benighted Eden.
Transformations
Item pools
Book of Seen can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
0.5/1.0
|
| Greed Treasure Room |
0.5/1.0
|
| Library |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
| book | Contributes towards the Bookworm transformation. |
| nocantrip | Not available as card effects during the Cantripped! challenge. |
Special synergies
The following special synergies and interactions for Book of Seen have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues | Spawns corresponding wisps. |
* Note that not all possible synergies and interactions are listed here.
External links
- Download Benighted Soul from the Steam Workshop.
Sketch 
Molekale 
Ssstew 
Portable Farm 
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Growing Wheat II