"Then I get nothing. I can check whether things exist and how many there are that way."

"That sounds really useful in itself!" 

"Hmm, at some point we should probably have you go through the list of all the not-immediately-obvious things you can do with this magic. But - er, first I want to make sure we're not trapping you here against your will, or something. I don't know how similarly this works to elemental summoning. Could you go home if you wanted to?" 

"I don't want to! I want to end material scarcity! I cannot go home of my own volition, I need the summoner for that."

"Which we're pretty sure is me, right?" Vanyel says quietly. "I'll - let you go home whenever you want to, obviously. But if you'd rather stay and help us - fix things here - then we're incredibly grateful." 

Herald Tantras seems kind of suspicious, and less sure that gratitude is the appropriate response here, but he doesn't interrupt. 

"All right, then." Randi folds his hands on the tabletop. "What do you need from us to, er, start making your plans here?" 

"...honestly not that much, I'm just attending this meeting as a courtesy. I guess I could use consults with your Healers about what the disease priorities are since they probably don't match Earth diseases in every particular. Once we have a test subject I can't perform a summoning myself and need a human for that. And if we don't want to just summon a bunch of fairies to go hither and yon with all the food you'll probably want to enlist local shipping infrastructure at least at first, though that will be so slow..."

"Fairies?" Randi says blankly. 

"There are three kinds of daeva! I'm an apsel, we make things; angels change things, fairies move things."

"Can you explain more specifically what 'changing things' means, here?" 

"They transmute matter into other matter. They're usually where you wanna go for medical applications, though apsels are ideal if you're, say, missing a limb, and there are some uses for medical fairies too. I went to med school myself."

Shavri immediately lights up, looking a bit like she wants to reach into his skull and drag out the contents of his entire brain to spread out on the table. 

"Your world has specialized schooling for that? That's incredible! I have so many questions! ...Although maybe now isn't the time. Our biggest problems right now aren't really cutting-edge Healing, just - crop failures on the Border, the usual illnesses you get in overcrowded military camps, most of our mages out of commission with serious injuries..." 

"I can do my best with the injuries on not much research and assuming you eat what I expect based on your human-looking-ness I can also do food and more robust higher yield seeds! Diseases may be trickier if I don't know what they are but I can look at 'em under a microscope and stuff and see where I get. I'm not super prepared to take sides in this war that I met half an hour ago though."

Unhappy frown. 

Shavri, though, nods and smiles at this. "Of course. And, I mean, I would understand if you wanted to go talk to the Karsites too -" 

Her smile fades. "Though, er, they're likely to be a lot less friendly than us. Especially if they find out that Vanyel summoned you."  

Vanyel winces. 

"...It would mean a lot if you could help with their crop problems too," he says quietly. "It's - they've got children starving too, and it - just, I'd sleep better at night if I didn't...know that was happening and mostly my fault." 

"Vanyel, it's not your fault." 

"What is the war about, anyway?"

Savil rolls her eyes. "Gods, I wish I knew." 

Shrug. "What are wars ever about? Land and resources, politics, which gods people worship... Reckon this one's a mix of all of them. But right now it's mostly the politics and religion, I think. There was a coup by the priesthood, they killed the King and elevated the Son of the Sun as ruler of the country, and...now they're being even less reasonable than before." 

"Gosh. Okay. Uh, I might want to have some controlled tests done on my vulnerability to local magic - daeva are indestructible but this hasn't been tested against your kind of magic in particular, you see - before I go through a warzone to offer them famine relief."

"Daeva are indestructible? What, er, sorts of weapons has that been tested against?" 

"...probably most of them at this point, I'd expect there's some weird project somebody is doing somewhere where they get their friend to attack them with everything anyone has ever heard of being used as a weapon. Including some stuff you almost certainly do not have here. The risk would be if your magic goes around or through that in some way, but we can test it on one of my wings, which are pretty easy to replace."