40-100% Critical Chance (Next Melee Attack) on Weak Spot Critical Hit Kill.
Continuously chaining more than 2 attacks gives 2-5% Power. Stacks 10 times.
30-60% Rending on Critical Hit.
10% Critical Chance for every 0.3-0.45 second while aiming. Stacks 10 times. Discharges all stacks upon firing.
Go berserk with this build.