"Keeping things even on the playing field would be the least I can do."

When you're someone who can render a person into a melted pile of flaming ashes and cinders, relying on conventional weapons without godly boons is a surprisingly merciful way to go. Rey might have her moments, but she still would rather be herself than pushed to do harm for someone else against her will. In that way, this has been a roaring success.

Then, a little more serious: "You were okay through all that, though, right?"