+30% to Damage over Time Multiplier for Poison 40% chance to Poison on Hit 5% increased Poison Duration for each Poison you have inflicted Recently Recover 0.5% of Life per Poison affecting Enemies you Kill 
Noxious Strike is a notable Ascendancy passive skill for the Assassin. It grants added chance to poison, and added damage over time multiplier to poison. It also grants increased poison duration for each stack of poison applied recently and grants life recovery whenever a poisoned enemy dies, based on the number of poison stacks it had.
No longer grants +0.1% to critical strike chance per poison affecting the enemy. Now causes you to recover 0.5% of your maximum Life per poison affecting enemies you kill. Also grants +25% to Damage over Time Multiplier for poison and 50% increased Damage with poison.
(Undocumented) No longer grants a chance to maim against poisoned enemies.