Purity

The  is a lunar item in Risk of Rain 2. It is the counterpart to. It reduces all the holder's skill cooldowns by a flat 2 seconds (+1 second per stack), but will make their chance effects less likely to occur by rolling them 1 extra time (+1 per stack) to be unsuccessful.

The following chance-based items can reach 100% chance, and therefore are useful even with the Purity: (and other critical strike items),, , and.

The following chance-based items cannot reach 100% chance, and are therefore less useful the more negative luck the player has:, , , , , , , , , and.

Items that have guaranteed effects, such as the or  and, are unaffected by Purity.

Math
If p is the probability of a favorable event occurring without any luck modifiers, the probability of the favorable event is, where x is the number of Purities held.
 * For example, if the player has 1 Purity and 2, the probability of a bomb without any Luck modifiers is 10%. Therefore, the probability of a bomb with 1 Purity is

Trivia

 * The shape of the Purity is a great stellated dodecahedron, being an icosahedron with triangular pyramids on every face.

Version History

 * PC Patch v1.0.1.1 (Build ID No.5440050)
 * Bug Fixes
 * Remove luck from drop calculation since it can cause soft-locks with Purity


 * Early Access Content Update 5
 * Major Content
 * Added new Lunar Item: Purity
 * Added New Item Lore Entry: Purity
 * Added New Challenge: