5-8% toughness on Chained Hit.
10-25% Strength (next 3 attacks) on Weapon Special attack Hit.
Hitting at least 3 enemies with your secondary attack grants 15-30% bonus to Strength on melee attacks for 3.5 seconds.
5-8% Strength every 0.4 seconds while aiming, stacking 5 times. Discharges all stacks upon firing.