Up to +5-20% Strength based on the charge time of your heavy attacks. Stacks 3 times.
Continuously chaining more than 2 attacks gives +2-5% Power. Stacks 10 times.
+10% Critical Chance for every 0.3-0.45 second while aiming. Stacks 10 times. Discharges all stacks upon firing.
Chaining Charged Attacks reduces their Charge Time by -12--6%. Stacks 5 times.