I suggest using:
3 Violet Archon Shards with ability damage to enemies with electricity. (Could also swap one of these for a TAUFORGED Crimson Archon Shard to 100% armor strip enemies with Pillage WITHOUT any Molt Augmented, so you can avoid having to kill 62,5 enemies, but its rather silly, since it wont take long, its not that many kills honestly.)
2 Amber Archon Shards with ability casting speed.

ABILITIES:
Once you kill 62,5 enemies, you have enough Molt Augmented stacks to ONE cast 100% armor strip with Pillage.
Use 3 in front of a bunch of enemies, kill them all quickly, then you can steamroll and keep the ability up.

MODS:

[Augur Reach] or [Augur Secrets] (In case you don't have Molt Augmented=

WEAPONS:

Primary, I like the [Amprex] because of Electricity, build viral + mumu. Amprex Build

I use the legendary [Ohma] as my meele, since its electrical by default, you just build Toxin + Cold = Viral and you will then have Viral + Electricity for more crit with your 3 ability.
Secondary Primer^ Corrossive + heat (if [Kuva Nukor] you can also have Magnetic + Radiation)

COMPANION:

Nauilus Build For Easy Grouping (Easy chain electricity damage)

FOCUS SCHOOL:

Zenurik for energy sustain

Enjoy!