12-24% Rending on Enemy Weak Spot Hit for 3.5s. Stacks 5 times.
5-8 Bleed Stacks on Critical Hit.
5-8% Strength for every 10% of magazine spent during continuous fire. Stacks 5 times.
Direct hits apply 1-4 Stacks of 1% Brittleness for 5s. Stacks 20 times
Ammo is left at 49% so Blaze Away triggers every 2 shots instead of 3, which decreases the ammo needed to reach max stacks from 15 to 10.
This makes the horde clear ramp up time about 33% shorter, but you miss out on 4 shots in the magazine and 19 shots in your ammo reserve in return.