Smart move—an ability like that is, at least, far from unfamiliar given one of her old professor's Semblance was telekinesis.

"Yeah they've seriously multiplied. I've been trying not to think about how that—" a grunt, as she drives off one that's bold enough to leap first, "—works! Too much, but—"

Realistically they probably just spawn from a single source like Grimm do, again something almost familiar, but who knows.

"—point is, yeah, there's a lot and they are going to keep coming if we don't leave their territory for a bit. So—"

She presses a button on the sword's hilt, and a black energy surges up part of the blade, matching energy appearing beneath a group of the things, suddenly pinning them to the ground. Flattening the piles out.

She hasn't used much Dust since she got here, but no time like the present.