Veteran
Up to 5-20% Strength based on the charge time of your heavy attacks. Stacks 3 times.
12-24% Rending on Enemy Weak Spot Hit for 3.5s. Stacks 5 times.
Critical hit chance scales by your current heat level up to 27.5-50%. Also increases critical ranged attacks damage by 4-10%.
Up to 7.5-20% Strength scaling with Heat Level.
I got bored of overpowered Shredder Frag Grenade. So i use smoke for Havoc 40. Throw smoke for mission events like mini games decode. Or if you want to aggressive push forward.