Assassination Tome: Envenom I

"Finishing move that consumes your Deadly Poison doses on the target and deals instant poison damage. Following the Envenom attack you have an additional chance to apply Deadly Poison and a increased frequency of applying Instant Poison for 1 sec plus an additional 1 sec per combo point. One dose is consumed for each combo point: 1 dose: damage 2 doses: damage 3 doses: damage 4 doses: damage 5 doses: damage"