ABILITY: Unit Target, Auto-Cast
AFFECTS: Enemy Heroes, Enemy Creeps
DAMAGE TYPE: Magical
PIERCES SPELL IMMUNITY: No
DAMAGE PER MISSING HEALTH PERCENTAGE: 0.5,0.75,1,1.25
%MOVE SLOW: -10,-20,-30,-40
ATTACK SLOW: -10,-20,-30,-40
Intensifies Viper's venom, adding an effect to his normal attack that slows attack and movement speed while dealing damage over time based on the amount of health the target is missing.
Successive casts don't increase slow or damage, but refresh the duration.