They're both just soft-hearted assassins, apparently. Though at least Kuai got to decide to be one.

"Morse Code. I can't use the instruments well enough." They hold up the metal hand briefly, to indicate that the metal fingertips have no give for covering holes properly. "Not all of the spirits know it, but many of them do. Can sing some of the words, but my range. Isn't as good as theirs. So Morse is easier. I'm pretty sure none of the ones who know us. Would have hurt us on purpose. Or without being coerced."