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Nirly's Codex item
Nirly's Codex is an active item in Eclipsed, a mod for The Binding of Isaac.
Description
On pickup
Spawns 3 random Spire Cards.
While held
Isaac can collect up to 5 cards in a book.
Collected card names will be shown in the bottom-left corner of the screen.
Holding the drop button discard all collected cards.
On use
Activates all collected cards.
Transformations
Item pools
Nirly's Codex 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 Nirly's Codex have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues | Spawns a card wisp. The wisp can drop a Spire card when destroyed. |
| --- | Abyss | Spawns a locust that can drop a Spire Card when it kills an enemy. |
| --- | The Battery | Isaac can collect up to 10 cards in a book. |
| Library Expanded | The Book of All The Books | 15% chance to spawn a copy of used cards. Increases its chances for each copy of TBOATB. |
| Repentance Plus | Torn Page | Uses cards one by one. |
* Note that not all possible synergies and interactions are listed here.
External links
- Download Eclipsed from the Steam Workshop.
Wizard's Book 
Ritual Manuscripts 
Stitched Papers 
Alchemic Notes 
Locked Grimoire 
Stone Scripture