Venom
Instant
Causes your Shank ability to increase your Poison damage by 30% and your chance to apply Poisons by 20% for 6 sec.
Learned from the Rogue trainer at level 30

Causes your Shank ability to increase your Poison damage by 30% and your chance to apply Poisons by 20% for 6 sec.
Venom is a talent in the Assassination tree (row 5). You get the first rank from the talent; higher ranks are then bought from the trainer. Open the calculator →
From game client 1.60.1.70862. Numbers without gear bonuses; values that can't be computed from the client data are shown as X.