"The deadliest poison is the one you can't taste or smell."[MP2:77] Prerequisite: Rogue Poison Maven (11th level): Whenever you make a poison weapon attack against an enemy, you gain a bonus to the damage roll equal to your Intelligence modifier. In addition, any enemy suffering a poison effect grants combat advantage to you. Venomous Action (11th level): When you spend an action point to make a weapon attack and hit, one target of the attack takes ongoing 10 poison damage (save ends). Acidic Poisons (16th level): Ongoing poison damage you deal ignores resistance to poison.