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.
4.25-5% Strength for every Enemy you Stagger. Stacks 5 times.
10% Critical Chance for every 0.2-0.35 second while aiming. Stacks 10 times. Discharges all stacks upon firing.