Impurity is a Caryll Rune in Bloodborne.
| "A Caryll rune that transcribes inhuman sounds.
This rune, discovered inside the forbidden beast eater, came to symbolize "Impurity," and the oath of The League.
Confederates of The League cooperate with hunters from other worlds, and hunt to discover vermin.
Vermin writhe within filth, and are the root of man's impurity. Crush all vermin without hesitation."
- +2% max HP while co-operating.
- Equipping this rune allies you to The League faction.
- Successful co-op sessions while using this rune will grant a Vermin that can be crushed to rank up in the covenant.
- Join The League via its leader Valtr, Forbidden Woods - In the hut to the right of the first lamp, that acts as a shortcut.
- To memorize this rune, you must have the Rune Workshop Tool