I'm high as shit dude, but still not as high as the damage this will be putting out.

[Zephyr]'s passive puts this at 85.5% crit chance, and her 4's passive crit damage bonus will put us to x8.6 crit damage.
We go for [Primed Charged Shell] + [Toxic Barrage] because we wanna have the guaranteed 2 status minimum. 2 Status minimum is nice to have since it'll give us faster Corrosive armor shredding and higher odds of more stacks for [Galvanized Savvy]. But, we also just want a shitload of raw damage since it scales really well with all the extra crit [Zephyr] provides.

[Vigilante Offense] is so you can shoot through a tornado into another tornado for double the damage & status stacking.

[Amalgam Shotgun Barrage] is because your time to kill anything will be drastically faster with it, and it's always worth running the amalgam instead of regular [Shotgun Barrage] so long as it doesn't cost more forma to fit it. 5% fire rate is not better than that massive revive speed increase and if you think otherwise you need to call up your dealer and ask why he put meth in your weed.

For Corpus you could run Viral instead of Corrosive since shields res it pretty hard but Viral memes on corpus pretty well.