Truth be told, she had no idea what she was going to do. If Harry were here, with his powers, he'd probably pull something out of thin air that would do the trick. At least, that was how it seemed to work. She knew differently. And now especially, she really knew differently.
Her first priority was getting the teenager out of the way. After that... survive, she hoped.
"Just go!" Murphy said, though as she glanced over at the girl, she realized she was wielding a weapon and looked ready to face down the mummy, even if she had just seconds before stumbled over her words.
She took her spot at the girl's side, ready to hold down the fort.
"He used to be a human. We only kill him if there's no other option left to us," she said firmly. "The hope is that everyone will be back to normal as of tomorrow.