Binding of Isaac: Rebirth Wiki

Added in Afterbirth

Purity is an unlockable passive item.


  • Grants an aura around Isaac that grants a boost depending on the aura's color.
  • Taking damage causes the aura to disappear. When the next room is entered, the aura will reappear with a random color.


  • The tear delay boost can allow the player's tears to go over the normal maximum rate of fire.
  • It is especially difficult for The Lost The Lost to change auras. However, it is possible through the use of Added in Afterbirth †Dull Razor Dull Razor.
  • As Tainted Isaac Tainted Isaac you can easily change auras by swapping Purity for another item and picking it back up again.


  • Added in RepentanceRock Bottom Rock Bottom: All four buffs can be obtained at once, and their effects are permanent.

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  • There is a card in Slay The Spire with similiar name and appereance.


PC Removed in Repentance DKYP 0JFY (First floor Treasure Room)

PC Added in Repentance Normal and hard modes only 8ELN C4JS (Treasure Room adjacent to spawn)