She hits on Macalaurë. She no longer seems to expect it might ever work; she's a little wistful when she does it.
They learn what happens when you kill a Balrog, pay a dozen lives for the information. They drive the Enemy off. They bury the dead. They rebuild the walls. They sing for a week.
He needs a good anaesthetic song so that Kat won't be hurting. He cuts a lock of hair very very short because it's the most convenient way to be able to hurt himself at will without injuries that'd require healing. He works on the song. He get something. He tries it on Kat.
He works on it some more. He eats if brought food and sleeps if Kat is sleeping and it's been a couple of weeks. Maitimo stops by occasionally, looks in on him thoughtfully, leaves him to it. Presumably he has already figured out how to use this. That's fine. That's good, really. It's good they have Maitimo back. He comes up with another song.
Then he won't stop much. He can sleep strictly less than her - unless it wearing off in her sleep hurts -
He can sleep strictly less than her. He gets the older orc kids, sings it for them.
If they want to keep listening he'll be over here, singing it all the time.
Their choice. Kat's, once she's old enough to make up her mind.
- all right, that's quite enough. He assigns three people duties singing orc-anaethesia all the time, waits for them to pick up the song well enough, goes and finds Macalaurë and the orcs and announces that these are the people who'll be providing this service from now on.
"I need a way to kill Balrogs at range."
"Music's not good at range."
" - it just isn't. Effects are local."
"You can build in exceptions for audience -"
"I could probably build in exceptions to area affected, but I can't make it stronger at a distance, has to be audible."
"Then work with Curvo on remote production of sound."
"Are you trying to inspire me to come up with a workable idea by proposing ones that are unworkable and terrible until I do -"
"Yep. Good job."
"She trusted me."
"I don't think so. She liked you. She didn't think we were good at our jobs or anything."