1-4 Bleed Stacks on non-Weak Spot Hits.
52.5-60% Weak Spot Damage (Enemies with Bleed Stacks).
Gain 7-10% Close Damage for 3.5 seconds after killing an enemy at close range, stacking 5 times.
4.5-6% Close Range damage on Repeated Hit. Stacks 5 times.
PS this build is pretty weak for carapace damage. Brain burst helps for this.