+3.5-5% Strength for 3.5s on Hit. Stacks 5 times.
Up to +5-20% Strength based on the charge time of your heavy attacks. Stacks 3 times.
+5-6.5% Strength for 3.5s on Close Range Kill.
Gain +7-10% Close Damage for 3.5 seconds after killing an enemy at close range, stacking 5 times.