Summer of Pain ( This is last to ask )

As we all know final boss of Summer of Pain is Emma frost but I am eagerly waiting to hear from our fellow summoners who will be next after Symbiote Supreme ?
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Last one can be either Collector, Per-Nerf Champion, Slashed Tires Juggernaut, etc
Ebony Maw, crit me with your best shot.
But you can only use Corvus for the objective