+7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
Up to +5-20% Strength based on the charge time of your heavy attacks. Stacks 3 times.
Gain Ranged Attack Immunity while sprinting with over 50-80% Stamina.
Gain +7-10% Close Damage for 3.5 seconds after killing an enemy at close range, stacking 5 times.