Arbites
10-25% Rending vs Staggered Enemies.
10-25% Damage vs Electrocuted enemies.
Increased Cleave on Critical Hit and gain 10-25% Ranged Attack Stagger.
14-20% Strength for 5s when every pellet in a shot hits the same enemy.
20% move speed to get to point B faster.
And yeah it's Arbitrator kill the things in front of you. If you're not using a weapon that needs High Voltage you can swap off Voltaic dog attack for an extra point.