Block Breaks push Enemies, 15s cooldown. 15-30% Block Cost.
Target receives 1-4 Stack(s) of 10% Damage if already Staggered. Lasts 5s.
10-25% Critical Chance for 3s on Melee Kill.
24-36% Toughness on Critical Hit Kill.
Still needs a bit more damage to one-shot some of the specials
Try getting new grenade launcher with max damage, max penetration; dumped can be ammo or blast radius (better ammo?)
Consider taking slab shield as secondary or something very defensive (power maul?)
Incorporate into play: cover usage with braced weapon (damage resistance + regen)