1-2 Extra Chained Energised Hits and 2.5-10% Impact on Energised Hits.
5-8% Strength for 4.5s on Kill. Stacks 5 times.
6-12% Critical Chance for each Enemy Hit by your previous attack. Stacks 5 times.
5-6.5% Strength for 5s on Close Range Kill.
Don't stop moving, don't stop switching between melee and ranged, win. You are Doom Guy without a grappling hook, rip and tear.
Melee weapon is dealers choice. I personally recommend something that has fast heavy cleave attacks.