12.5-20% Critical Chance for 6s on successful Dodge.
12-24% Rending on Enemy Weak Spot Hit for 3.5s. Stacks 5 times.
You can Hipfire with this weapon while Sprinting. 6-15% Close Damage while Sprinting. Also reduces weapon spread at all times by 30%.
-8.5--5.5% Charge Time on Chained Secondary Attack. Stacks 3 times.
Burn 'em all, get stacks, screech at the heretics. Rinse repeat. Stay mobile, the less stuff in melee range of you the better. All the extra toughness will let you survive like, probably another hit. Maybe.
Dueling sword destroys anything you hit the head. I start with a heavy, then immediately do the special attack that staggers if you hit the head. Rinse, repeat.