Siphon life from targets struck by Perforate. Damage is increased against enemies below the health threshold, and healing is increased while you are below the health threshold.

Siphon Damage: +1504
Power

Siphon Damage: +606
Power

Siphon Healing: +860
Healing Power

Damage Increase vs. Low Health: 50%

Healing Increase at Low Health: 50%

Health Threshold: 50%