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Book of Years item
Book of Years is an active item in Reverie, a mod for The Binding of Isaac.
Description
Spawns a random item from the current room's item pool in exchange for one of Isaac's passive items with the lowest quality.
Transformations
Item pools
Book of Years can be found in the following item pools:
| Name | Weight |
|---|---|
| Library |
0.5/1.0
|
| Secret Room |
1.0/1.0
|
| Greed Secret Room |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| book | Contributes towards the Bookworm transformation. |
| nocantrip | Not available as card effects during the Cantripped! challenge. |
| offensive | Can appear for  Tainted Lost. |
| nochallenge | Unavailable during challenges. |
Special synergies
The following special synergies and interactions for Book of Years have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues | Spawns grey wisps if an item was exchanged, that spawn  Missing Page 2 when destroyed. |
| --- | The Book of Belial combined with Judas' Birthright | Has a 50% chance to spawn a Devil Room item. |
| Reverie | Lost Memory | Character: Keine Kamishirasawa |
* Note that not all possible synergies and interactions are listed here.
External links
- Check out the item description on the mod's external Wiki.
- Download Reverie from the Steam Workshop.
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