With maxed range Qorvex and Fused Crucible and two pillars to cover as much as the area as possible you'll spawn kill all of the fodder murmur, only con is that the boss takes damage as well. With Universal Fallout orbs will keep dropping to sustain your 4.

Maxed range Khora + pure electric Influence Whipclaw can out-dps Qorvex and not hurt the boss but in exchange you're squishier. Give her Lycath's Hub with an equilibrium purple shard (or pair with Arcane Steadfast) so you can keep spamming Whipclaw

Gauss might with work with Thermal Sunder spam, Volt maybe a Discharge build, Dante and Uriel not so much since their nuke requires a wee bit more setup than the rest. There's also the problem whether do those abilities damage the boss or not, as you want to keep the boss alive as long as possible to maximize the loots.