1-2 Extra Chained Energised Hits and 2.5-10% Impact on Energised Hits.
7.5-15% Weak Spot Damage. Weakspot Kills also ignore Enemy Hit Mass.
Target receives 1-4 Stacks of 2.5% Brittleness on direct projectile hit. Debuff lasts for 5 seconds and can have a maximum of 16 stacks.
5-8% Strength for every shot fired during continuous fire. Stacks 5 times.
Generalist build. Works vs just about everything. Remember to tag frequently - you want those buffs and constant damage increases for your team, and you get stacks a lot. Plasma gun for anything that isn't trash and isn't convenient to kill with the power sword, you'll have plenty of ammo. Power sword for everything else, including maulers in hordes, mutants that are close, etc.
Alternative melees: Chainsword, Catachan mk1
Alternative ranged weapons: 2a Quickdraw stub