"During the Bragollach. I got the impression that he was too busy commanding a fortress to do that all the time, though...and it's possible I still haven't trained myself out of the mental habits I had before the stakes were this high."

"You don't have to monopolize him," Loki says, and she goes and asks Bar for a divided little box and two rocks and then she puts the rocks in the box and hands it over. "I can do persistently looping audio illusions. There's the song sped way up, twice, in a soundproof box. You can stack it if you put them exactly the right distance away from each other -" She asks Bar for a string of a certain length. "Warning, though, exiting the effect of the stacked version will make you seasick and headachey and generally not super pleased about this development for a while. You've got to chunk it up, and you won't be able to hold a synchronous conversation with anyone who isn't also sped up. But if you can work in an acoustically enclosed space, you can now do it three times as fast if the work's all cognitive."

...Wow.

"Thank you--I bet I can patch at least some of the side-effects with my magic--the effort's mental, but it has physical effects, will that affect anything? Is that string the length the edges should be apart, or the centers? What do you mean by chunk it up?"

"Centers, but you've got a little leeway. All physical things happen at sidereal speed. And I mean I used to spend subjective months at a time squirreled away in speedup working on my spell to get out of the universe, to avoid having too many occasions of the seasickness thing - I could sort of function through it, had to once when Morgoth threw a rock at Himring and I had to teleport it to the Helcaraxë, but it's not the sort of thing you want to do every week. Unless your magic is better than my healing spells at getting rid of the aftereffects. I'll make you some backups, Maiar can fuck with my illusions and I won't be handy to replace them -" Boxes, rocks.

"I will keep them in my sister's heavily-warded-against-Maiar city."

"I've got lots of songs I can attach to rocks - or whatever - for you, although some of them I accepted under copy protection agreements. The copy protection agreement on that one in particular is that anyone using it for the war effort can have as many as they like, though."

"That is a sensible agreement. If that's the case I should probably bring at--at least one instance to Curufin at least, other people too he's just the first one off the top of my head..."

"I will enchant you all the rocks you like."

She glances at the books and giggles. "When I leave here I'm going to have so much useful stuff to haul out."

"What's the small library for?"

"I'm teaching everyone I can magic and for people who don't have the pain tolerance and resistance to do arbitrary magic within their capacity there's a lot of ways to use magic efficiently," she gestures at the magic books, "that gets taught in places like the University I attended before my accident. These are textbooks. Also some engineering textbooks because my world has stuff theirs doesn't."

"Okay. Do be careful escalating on the weapons tech, I don't know what you've got but nukes do not do it."

"Weapons-wise we have, like, cannons and tanks, for dealing with orcs and maybe balrogs and dragons-if-there-are-any-more if we're lucky. Most of the stuff I'm looking at is, like, quality of life stuff, printing presses sewing machines chemical lights agricultural equipment etcetera, my sister's an engineering student so we were going to get most of this stuff already but speeding it up can't hurt."

"Yeah, that's probably fine."

"What even is a nuke, besides a really big bomb?"

"D'you know what radiation is?"

"Yeah?"

"It is a very big very radioactive bomb."

"Yikes."

"Yeah, I was really surprised when he got up again after that."

She snorts. "So dropping rocks on Angband sure as hell wasn't going to do the trick even if he didn't start turning them into sand when they got large and/or fast enough to make the architecture unhappy."

"Well, you could do some structural damage, put some prisoners out of their misery, but yeah, that's not gonna get the evil god dead."

"Yeah. I mean, I'm probably going to need to get strong enough to just delete him from existence regardless, I'm pretty sure ripping the Doom out of the fabric of reality's going to be harder than that."

"I'm trying to think if there's a way for me to just pop in and do it for you, but I don't know how this place works or if your world's teleportation-accessible or what."

"Well, the Bar's sentient and communicates by napkin, you could ask her." She levitates several stacks of books off the bar to make room.