Coats the daggers with poison for 9s to apply Weaken: Poison to all following attacks. Poison deals 2.3% of Base Damage + 1 damage each second per stack for 6s. Damage increases by 100% against monsters. The damage decreases targets' Health Regen by 4% per stack. Stacks up to 20 times.

Using the skill again within 9s activates a stabbing attack with both hands, dealing 110% of Base Damage + 4 damage with the main hand and then dealing additional 180% of Base Damage + 7 damage with the off-hand. The off-hand attack damage is increased by 5% per Poison stack.