Generate 1 Energy for every 70 damage done with your Submachine Guns.
Generate 15-75% Energy after earning a Killing Blow with Skewer.
Heal for 160-800 for each enemy hit with Skewer.
Increase your maximum Ammo by 10-50.
Heal for 60-300 after activating Shadow Step.
Heal for 20-100 every 1s while Agility is active.