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▾Table of Contents▾
Birthday Cap item
Birthday Cap is an unlockable passive item in The Bimbing of AIsaac, a mod for The Binding of Isaac.
Description
The next 3 items that spawn are going to be rerolled into item of Quality 3 or more.
If the item is already Quality 3 or more, it won't be affected but will still count as rerolled.
How to unlock?
Use Mystery Gift as 
AIsaac.
Item pools
Birthday Cap can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
Special synergies
The following special synergies and interactions for Birthday Cap have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Mystery Gift | The item spawned by Mystery Gift will be rerolled by Birthday Cap for free. |
* Note that not all possible synergies and interactions are listed here.
External links
- Download The Bimbing of AIsaac from the Steam Workshop.
Runner's Watch 
Rough Whip 
FRIEND 
Cybernetic Arm 
Manual Training 
Garlic