Target receives 1-4 Stack(s) of 10% Damage if already Staggered. Lasts 5s.
Hitting an enemy gives them 1-4 stacks of 2.5% Brittleness. Debuff lasts for 5 seconds and can have a maximum of 16 stacks.
5-8% Strength for every 10% of magazine spent during continuous fire. Stacks 5 times.
Gain 7-10% Close Damage for 3.5 seconds after killing an enemy at close range, stacking 5 times.
Clubs are nuts now. Light spam with the Mk3 while stacking impact and Skullcrusher is showing good results.
Dedicated Practice isn't entirely a tax since it benefits rock pullout time.