+1-4 Bleed Stacks on non-Weak Spot Hits.
+12-24% Rending on Enemy Weak Spot Hit for 3.5s. Stacks 5 times.
+10% Critical Chance for every 0.3-0.45 second while aiming. Stacks 10 times. Discharges all stacks upon firing.
+30-60% Rending on Critical Hit.
You can switch Sprint Efficiency on the Curio perks if you want something else. If you are having a hard time staying alive you can take out 3 points that lead to "Invocation of Death" (Bottom left tree) and put into the top right tree for "Second Wind" and "Enduring Faith"