And that makes Callisto laugh: first a hitch of delighted surprise, then a trill of a giggle that sinks into a deep belly laugh that she almost lets double her over for a moment before she glances down the length of Elizabeth again and shakes her head.

"Believe me," she tells her, very seriously for how she's still smiling, "It's going to take far more than just you to change anything like that."

Last chance, Betelgeuse had said. That counts as a warning, which Callisto isn't always inclined to give anyway. She kicks one foot off the wall right by the man's head and dives, fast and low and full force for Elizabeth.