K'areshi Phantom's Bindings

2 pieces: Set: When your bleeds deal damage, they have a chance to grant you Vile Tincture for 8 sec, increasing your poison damage by 1.0% per stack (up to 5 stacks).

4 pieces: Set: While you have 5 or more stacks of Vile Tincture, Garrote, Rupture, and Crimson Tempest deal 10% additional damage.