How do you soec your favorite character? I main Benedict and always choose the extra shield damage on rockets at rank 1, pushback with liftoff at 2, reload speed, and then I focus on increasing his burst damage with his homing rockets. At level 7 I can burst down a Montana at 3/4 health if all 8 rockets hit from his burst.
http://battlebornforum.com/pages/battleborn-helix-build-editor-benedict/?rows=0,-1,-1,1,0,1,1,1,1,0,
I couple this with gear to reduce his cool downs, increase his attack and health regen.
Here's a builder to experiment with if you're unsure
http://battlebornforum.com/pages/battleborn-helix-build-editor/
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I main Oscar Mike and run the +18% assault rifle damage and +30% grenade damage.