She at least seems pretty capable. As she moves, a couple of demons pop out at her, seemingly ambushing her -- until she floats up and drops a few large blocks down on them. When one staggers around, still up, she simply lets her Persona cast Zio on it. Down it goes.

She stoops over, checking over the corpses. "Hmm, yes, yes..." She encapsulates them in bubbles, and they fly off somewhere. What's she DOING with them?