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D4 item
D4 is an unlockable active item in The Binding of Isaac.
Description
Rerolls Isaac's passive items.
Each item is rerolled into an item from the same item pool it was acquired from.
Note
This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this item for the previous Repentance version, check this page instead.
How to unlock?
Destroy 30 
Slot Machines.
Item pools
D4 can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
1.0/1.0
|
| Greed Shop |
1.0/1.0
|
| Crane Game |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
| nocantrip | Not available as card effects during the Cantripped! challenge. |
Special synergies
The following special synergies and interactions for D4 have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues | Removes all of Isaac's wisps and gives him one random wisp for every 2 items rerolled. Does not reroll Book of Virtues in the process. |
* Note that not all possible synergies and interactions are listed here.
Internal item description
Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.
D4
• Rerolls each item currently held into a different item from the same pool
• Abyss: x1 glitched locust .75x Isaac's damage
• Book of Virtues: x1 middle wisp - 2 hp - 3 damage
• Book of Virtues: Removes all wisps and adds a random one for every 2 items held
• Book of Virtues: Doesn't reroll Book of Virtues
External links
- Check out the item description on the external Isaac Wiki.
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D100 
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