[HELP, IDK WAT TO MAX/DO (with my items)?]

I always get unlucky with my drops, dropped both shotguns but not phys shotgun, 3 ele hooks and not a single other one, red sword but no terror blade or burning shower. Superb charge was the only good drop I've gotten in a while. f2p player btw :O.
Anyways, u said to use heron mark, but I don't have anything to combo it with.

[HELP, IDK WAT TO MAX/DO (with my items)?]

My mech rn: + face shocker
torsos: 

legs: 

side weapons:   

top weapons: 

drones: 

special items: 

modules: 

arena buffs: 

 

PLS MAKE SOME SUGGESTIONS/TIPS (making a second mech or improving this energy one are both fine)!
I'm consistently around r9 - 10. I'm considering making a phys build with the distance shredder and superb charge, but not sure how, bc I have no plates. 
And since I have no plates, is maxing lightning vest good? Also, most of my arena buffs are energy-related. 

-_-