+3.5-5% Strength for 3.5s on Hit. Stacks 5 times.
Chaining Charged Attacks reduces their Charge Time by -12--6%. Stacks 5 times.
Up to +14-20% Damage on Hit (Staggered Enemy), scaling with Stagger.
Weapons
Antax Mk V Combat Axe
Lucius Mk III Helbore Lasgun
Feats
5 - I like confirmed kill for the sustain and reliability
10 - Free grenade every 60 seconds is amazing for sustain and allows you to not pickup grenades saving them for a zealot or ogryn which help the team
15 - Gives info to entire team which I like more than other two
20 - Enemy shooters are annoying so not taking as much toughness damage while using volley fire is always nice
25 - Frag Storm provides more DPS and can synergize with a Zealot or Ogryn depending on talent setups, One After Another is another alternative
30 - Pairs nicely with Bio-Optic Targeting giving info to the team and allowing you to focus on shooters which is usually my primary focus