Arbites
5-8% toughness on Chained Hit.
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.
6-12% Critical Chance for each Enemy Hit by your previous attack. Stacks 5 times.
14-20% Strength for 5s when every pellet in a shot hits the same enemy.