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Purity item
Purity is an unlockable passive item in The Binding of Isaac, added in the Afterbirth DLC.
Description
Grants Isaac an aura that boosts his stats based on color:
• Red: +4 damage.
• Blue: +2 fire rate.
• Yellow: +0.5 speed.
• Orange: +3 range.
Taking damage causes the aura to disappear until another room is entered, randomizing its color.
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?
Defeat Hush as 
Magdalene.
Item pools
Purity can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
1.0/1.0
|
| Angel Room |
1.0/1.0
|
| Greed Treasure Room |
1.0/1.0
|
| Greed Angel Room |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| summonable | Can be summoned via  Lemegeton. |
| tearsup | Contributes towards unlocking  Lachryphagy. |
| offensive | Can appear for  Tainted Lost. |
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.
Purity
• Provides a large stat boost based on the color of the surrounding aura
• Blue: +2 tears
• Red: +4 damage
• Orange: +3 range
• Yellow: +0.5 speed
• Taking damage removes the buff and applies a new one at the start of a new room
• Abyss: x1 locust 1.5x Isaac's damage
External links
- Check out the item description on the external Isaac Wiki.
Farting Baby 
GB Bug 
D8 
Athame 
Empty Vessel 
Evil Eye