Increases the damage done by your weapon poisons by 30% and their non-damaging effects by 20%.

Your abilities requiring Stealth can still be used for 3 sec after Stealth breaks. Also causes Garrote to deal 80% increased damage and have no cooldown when used from Stealth and for 3 sec after breaking Stealth.

Increases your maximum Energy by 50 and your Energy regeneration by 10%.

Fatal attacks instead reduce you to 7% of your maximum health. For 3 sec afterward, you take 85% reduced damage. Cannot trigger more often than once per 6 min.

Enemies disabled by your Cheap Shot or Kidney Shot take 10% increased damage from all sources for 6 sec.

Stab your enemy with a toxic poisoned blade, dealing 5,118 Nature damage. Your Nature damage done against the target is increased by 30% for 9 sec. Awards 1 combo point.

Envenom and Rupture have a 4% chance per combo point spent to smash a vial of poison at the target's location, creating a pool of acidic death that deals 4,248 Nature damage over 2 sec to all enemies within it.