- Purity will boost Isaac's stats depending on the color of the aura around him:
- Red: +4 Damage
- Orange: +7.5 Range, +1.0 Tear Height
- Yellow: +0.5 Speed
- Blue: -4 Tear Delay
- If Isaac gets hit, the aura will vanish. The aura will reappear in a random color when the next room is entered.
- The additional tear delay can allow the player's tears to go over the normal maximum tear rate.
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