+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.
+14-20% Damage against Suppressed Enemies, +28-40% Suppression and -28-40% Recoil on Close Range Kill.
Just don't use this build.