12-24% Rending on Enemy Weak Spot Hit for 3.5s. Stacks 5 times.
12.5-20% Critical Chance for 6s on successful Dodge.
5-8% Strength for every 10% of magazine spent during continuous fire. Stacks 5 times.
Gain between 3.5-5% and 14-20% Critical Chance based on current level of peril.
Shout kills all normal mobs on your screen at 50% warp charge - you're basically just cycling it and burning everything. Right click on staff to apply lots of stacks, then spam left click to keep the things with stacks staggered.