12-24% Rending on Enemy Weak Spot Hit for 3.5s. Stacks 5 times.
Continuously chaining more than 2 attacks gives 2-5% Power. Stacks 10 times.
4.5-6% Strength on Chained Weak Spot Hit (Any Target). Stacks 5 times.
4.5-6% Critical Chance for each expended round in your weapon (resets on reload).