7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
Up to 5-20% Strength based on the charge time of your heavy attacks. Stacks 3 times.
Your Grenades stick to Ogryns and Monstrosities. 6-15% Damage vs Ogryns and Monstrosities
5-8% Strength for every shot fired during continuous fire. Stacks 5 times.