+3.5-5% Strength for 3.5s on Hit. Stacks 5 times.
+5-8% Strength for 4.5s on Kill. Stacks 5 times.
+14-20% Strength for 5s when every pellet in a shot hits the same enemy.
Up to +14-20% Damage on Hit (Staggered Enemy), scaling with Stagger.