Battle continues throughout the city.  The less humanoid “demons” do in fact use a lot of claws and biting to kill both civilians and soldiers!  Now that she is paying attention for teleporting, she can occasionally notice a demon disappear mid-combat when clearly outnumbered and cornered (although they are just as likely to go berserk attacking the larger group or pull out a small bit of magic).  Somewhat worryingly for the (apparent) side of human (and human-like) civilization, the demons occasionally win when attacking larger groups of humans.  On the upside, the demons are apparently much less able to coordinate than the humans.  The demons will ignore other demons in need of aid in favor of attacking lone humans or even just committing arson or other forms of property destruction.  Meanwhile the human combatants are trying to link up and form larger units.

Despite their overall lack of organization, some demons have crudely concentrated into bigger groups to attack a few targets, most notably a fortress-like building (a medieval fortress that is) and a large church-like building (which bears a large sword emblem instead of a cross like Christian churches).  She can see human defenders with similar sword heraldry (or is it a religious symbol, or badge of rank?) also converging on the “church” but they are having a hard time with all the demons.

The demon occasionally fly to retreat from humans or reposition, but they usually land soon after to engage in melee combat.  Only a few of them even bother properly swooping in with hit and run tactics as opposed to getting entangled in melee.  None of them are coming anywhere near Tanya’s altitude, they almost all stay exclusively within a few hundred feet of the ground (with a few exceptions that have gone a few hundred feet higher but still nowhere near Tanya’s altitude).  Their flight speeds are nowhere near Tanya’s.

The magic she can match to signatures continues to be sparse (more common for demons than humans) and unimpressive.  The offensive magic is barely a match for modern flamethrowers and hand grenades (and certainly not a match for modern artillery or mages).  The most common defensive magic among the humans is minor illusions and force-constructs shaped like simple plate armor.  The demons don’t seem to have any detectable defensive magic, but they can take far more damage than a mundane unprotected human can, so they must have something?  Actually some of the humans (and human like rubber-forehead aliens) can as well?

After a few minutes she can detect Terendelev starting to come back up out of the chasm.

It makes sense that the demons aren't well coordinated and don't bother helping each other. They're not an army, not even a barbarian horde, just a bunch of individual anarchists drawn from all corners of the earth by the prospect of violence and loot.

The ones caught clawing and biting get an immediate optical shot to the head. With complete air dominance Tanya holds their lives in her hands, and she will show them the power built by a technological civilization of people working together by strictly respecting the rules of engagement she was given. A few minutes means a few hundred targets down, if she can find that many.

When Terendelev comes back up (and she starts running out of targets) Tanya flies back down to report.

"Two hundred fifty-two enemies neutralized, eighty-one wounded or uncertain, all within engagement parameters," Tanya reports crisply once she's in whisper range. (And drops her illusion again.)

That is… nearly impossibly good news?  Does Tanya have a cantrip that is extremely long range and ignores spell resistance?  The thought that this is all a distraction occurs to Terendelev again… that many dead demons should be noticeable and difficult to fake.  Still, the chance that this is somehow real, could change everything.  She’ll try an approach that should address both.  She replies over the message.

“I think I should get you that spotter you asked for… I have an idea, follow me, we are going to the Cathedral of Saint Clydewell.  …I think I will definitely be paying you the full value I indicated earlier, possibly we should negotiate on me paying you more depending on how much magic you have left and what else you can do.”

She takes off.  The Wardstone is secure for now, it looks like the demons were not prepared for it to fall into the caverns, so this is worth a few minutes.  As for payment… she actually kind of dislikes grinding out income, but she dislikes harm to her city even more, and Tanya is apparently able to prevent a lot of it, so she will gladly commit to earning and paying up.

As she flies to the cathedral she pays attention, and sure enough, there are demon corpses along the way, slain by a searing light/explosion sort of spell.

What a promising start to a working relationship! Tanya follows, of course.

"I confess I am worried by the threat of teleporting enemies while I am close to the ground." She is rather more than worried, but Terendelev seems calm and un-murdered - not that Tanya understands her construct-spell, she won't ask about it in public, but most people in the city seem to be alive and it only takes one serial teleporting assassin! The anarchists might be deterred by powerful targets, but she saw some tactical teleportation earlier and doesn't understand why she didn't see more. "We don't have such a spell. How do you counter a coordinated teleport by a strike team, or even a lone actor with a powerful spell ready?" If Tanya could teleport on top of enemies, or out of the line of fire, it would change so much!

“Teleport requires a well studied location, so keeping internal locations of buildings secret is a cheap strategy.  There is a 5th circle arcane spell that can be made permanent that can block scrying.  There is a 6th circle divine spell that requires expensive components that can entirely block teleporting and is naturally permanent.  There is a 7th circle arcane spell that can redirect incoming or outgoing teleports that can be made permanent.  Making spells permanent is usually expensive.”

Terendelev tries to take the perspective of someone with very different magic…

“Maybe I didn’t explain circles clearly enough, or took too much for granted.  Assuming good mental aptitude (and appropriate education if they’re the type that requires it) casters start out at 1st circle.  As a very loose rule of thumb, casters deliberately trying to push to a higher circle die out at a rate of half per circle, with lower death rates for lower circles but higher for higher circles.  So Teleport is 5th circle, and, in expectation, someone committed to pushing to 5th circle would only have a 1 in 32 chance of surviving.  Except higher circles casters are even rarer, because people often chose to pursue less dangerous careers once they’ve reached a high enough circle they are satisfied with how much they can achieve or earn.  Higher circle magic opens up new ways of using magic: in addition to higher circle spells with no lower circle alternatives, higher circles enable basic magic item crafting for 2nd circles, magic armor and weapon crafting at 3rd circle, magic ring crafting at 4th.  And among most species very few people have magic to start with, in most countries, less than 1 in a 100 learn wizardry, 2 or 3 in a 100 inherit sorcery, 1 to 5 in a 100 are chosen by the gods.  And Teleport is arcane only.  So small kingdoms might have only a single teleport capable caster, if that.”

She should clarify the really obvious.  

“I’m a dragon, we’re something of an exception to the rules: we are all innately magical, and we grow in caster circle merely with age, but I suspect the last century has pushed me a bit ahead for my age.  I’m 7th circle.”

She’ll let Tanya figure out the implications of her earlier offer of payment.  Tanya didn’t exactly jump at it as far as Terendelev could tell, but neither did she graciously refuse and enough money can smooth over a lot of things for humans (from cultures that use it).

“I was rounding up for simplicity and out of caution earlier, many more common lesser demons can’t teleport at will or even at all: Dretches can’t, Brimoraks can’t… Babau can but can’t fly so they’d have only a brief moment to attack as they fall out of the sky.”

If Tanya has any more immediate questions she needs to ask quickly, the city may be decently sized by medieval standards but it is small by modern standards and they are already at the Cathedral.  The demons attacking it earlier seem to have given up (possibly Tanya’s attacks broke their morale).

If at each 'circle' of ability half die and half of the survivors quit, then a population of a million with one percent 'wizard' mages has... a hundred thousand first circle or above wizards, twenty-five thousand second circle or above... ending with one ninth-circle wizard per million population? Plus several times that of two other kinds of mages each, Tanya isn't clear on the distinction yet but this comes out to one person in twenty being a mage of some kind - less the ones who die, but still at least three percent mages of some kind.

What an immense wealth of human resources! What glorious potential! Pity about the teleportation spells. Well, with so many mages (and a corresponding amount of researchers) anything that's possible must have been discovered long ago. The rational man doesn't blame reality for what is and isn't possible, he finds a way to turn it to his advantage.

There are anti-teleportation spells (in addition to the wardstones?), which was to be expected but is a very big relief nevertheless; buildings can be made secure and they are presumably going into one such.

Tanya isn't sure why the local training methods are so dangerous, surely someone who invented safer methods would have an enormous advantage - or did she misunderstand and Terendelev is talking about the military? Maybe the army keeps all the good spells to itself and uses a deadly training regime for some reason, like Dr Schugel - no, they'd be outcompeted by an army that didn't, even with no moral scruples you don't put a Schugel in charge of training recruits - she'll have to clarify later, it doesn't seem pressing.

Also, Terendelev is... a dragon? The word is familiar, of course, but it takes her a moment to place the concept; no modern states use dragons in their heraldry except the Akitsushiman colonies and their dragons don't look like that. The mysterious language-sense (which she still needs to investigate) is clear that it refers to the form of Terendelev's - magical construct, or whatever it is, except that she's saying she is a dragon which means -

"I thought this was some kind of magical construct. You're saying the... human-looking body was the construct and this is what your species, 'dragons' looks like?"

“Yes that is basically correct.  I wouldn’t characterize it as a construct, my other forms are a transmutation (polymorph) effect, technically not a discrete spell by the proper terminology.  This is my natural form, I can assume any humanoid or animal form, 3 times a day with no hard duration limit each time like a spell.  I have a preferred human form I favor for ease of recognition and interaction.”

She lands at the Cathedral.

Demon corpses litter the area from fighting and from Tanya’s intervention earlier.

A man in heavy plate armor with a sword emblem on it comes running up to Terendelev.

“Lady Terendelev, praise the Inheritor!  Selector Nestrin was assassinated at the start of the attack, but we prevented the demons from recovering the body.  His body was dismembered, so as soon as we have the spells to repair it we’ll use our emergency scroll to raise him.  I haven’t heard word of Ser Irabeth or Prelate Hulrun or Select Eterrius.  I know Inquisitor Liotr was out of town.  Also, have you heard yet, there was some unusual miracle or Iomedae or possibly Sarenrae!  Demon smited in rapid sequence by a bright light from the Heavens!”

Aliens. Tanya repeats the thought several more times with growing emphasis. Aliens! Real ones, not rubber-forehead imitations!

(Aliens who patronize entire (mostly human?) cities, were impressed by Tanya's capabilities and are willing to offer her a handsome sum!)

She wishes she could correct the man but opsec is ingrained; she shouldn't give up the strategic advantage of having unknown powers and she mustn't draw attention as someone who killed hundreds of combatants who might seek revenge or stab her in her sleep. A lone person is a very fragile thing. Tanya isn't a citizen of a state or a member of an organization that will protect her on this planet, for all that she might shortly have disposable income.

"I will not share operationally relevant matters with people you didn't clear," she whispers in a neutral tone to Terendelev to make sure she doesn't worry Tanya will contradict her if she chooses to maintain this facade of godly miracles.

"I'll keep it on a strict need to know basis for now." She whispers back.

"Ser, I need a scroll of planar ally or lesser planar ally or if we are somehow missing them planar binding or lesser planar binding... and scrolls or casters of whatever other long duration buffs we have.  If anyone is alive and immediately available who is likely to be better than me at handling a Calling, get them, otherwise I'll handle it myself.  And..."  She should make absolutely sure not to lose her massive battle winning, potentially war winning advantage. "...all the best standard protective magical items not currently in use.  Even if we need to borrow from anyone currently dead.  You can put it all against my account -"  it might actually exceed her liquid assets (and considering the state of the city some of her not-so-liquid assets)  "I can promise you anything exceeding what I can immediately personally guarantee will be well spent even if it is lost and I somehow die this day... and on that note I need all of this handled as secretly as you can manage under the circumstances."

The man is surprised, but nods.  "As you command... but..."

A woman who followed him out casts a spell and spends about 20 seconds concentrating then says.  "She has a Magic Circle Against Evil up, no unusual auras."

The man nods to the woman.  "Follow her, and I'll have the scrolls in a minute and the items before you're done with the Calling."

She gestures for Tanya to follow, and changes back into a human to follow them inside the Cathedral.

She whispers again to Tanya. "My plan is to Call a small or tiny Angel or Archon to act as your spotter.  They would also be able to answer your questions to provide you more context, and have numerous useful magical abilities."

During all of this she is formulating a prayer to Iomedae.  Here is this opportunity, here is how I'm planning on using it, here is this way for you to contribute that is high leverage and should be low cost...

Gods can influence Planar Ally spells easily (and Planar Bindings to some extent).  It costs resources for the deity to specify an exact outsider (instead of the caster targeting an outsider through a variety of means including offerings used, other material components, secret Names, complex magical diagrams, minor rituals, and even more esoteric methods), but it is still much cheaper than a miracle and this is the sort of situation that would be well worth getting just the right outsider for.

It makes sense that some alien species would be very small compared to humans, just as Terendelev is very large. There must be a lot of opportunity for specialization in a multi-species civilization! 

'Calling' is a sensible name for a magical communication spell. Tanya hasn't seen any purely technological means of remote communication, but they're still using bows and arrows while in her world radio was developed much later than the rifle. She shouldn't carelessly draw conclusions about what technology does and doesn't exist here, magical or otherwise, or she'll be blindsided again like she almost was with the teleportation.

She's also planning to give this spotter their best protective gear; what an excellent boss! It's very unfortunate that Tanya can't use the local magical appliances that kill half the people trying to learn to use them.

Terendelev inspects the room she is lead to carefully.  It has a Mage's Private Sanctum, good.  She inspects the ritual layout.

"We'll need privacy, both for the Calling and at least a few minutes afterwards."

The room is decorated ornately with a complicated diagram.

The man is back in less than a minute.

"Scroll of Planar Ally it is our only one and we only didn't manage to use it because of the circumstance, of well... Scroll of Freedom of Movement, Scroll of Magic Circle Against Chaos - I assume you already have against Evil.  Wand of Heroism, only three charges left... we think?  Wand of Resist Energy, about half it's charges less... we lost count recently.  Scroll of Life Bubble, it's our only one... but I assume you meant everything.  I know you said long duration, but just in case, Death Ward.  I'll be back with items within 10 minutes of you completing the Calling."

He squints at Tanya, then looks back to Terendelev "Are you sure?"

She must read Evil then.  Mortals can read Evil for a lot of reasons, she thinks she has something of an understanding of Tanya, and she trusts Iomedae can choose the right outsider for this situation.

"Yes, I'm confident in her."  She dismisses the man.

"The Calling will take 10 minutes to cast, and then we will need a few minutes at least of negotiation.  I don't have this spell and this is our only scroll and an outsider's aid will be very valuable, so avoid interrupting me for anything short of lethal danger that you cannot handle to myself or to you."

"...acknowledged." She must be calling someone very important. The scroll is - a one-time invitation for contact, perhaps a one-time pad? But the man called them all 'scrolls' - not important, Terendelev will explain when it becomes relevant.

Ten minutes to send a message is - actually quite impressive, most people in Germania couldn't make a phone call to another continent much more quickly than that, and they must be using secured lines. Anyway, someone important or powerful being available to negotiate on ten minutes' notice is very impressive. She wonders if it's an important individual, an organization, perhaps this entire 'outsider' species - also not important!

Tanya now has ten minutes' worth of thinking to herself, which is more than she's had since she arrived on this planet, so she had better use them well.

To begin with: she did not, in fact, arrive on this planet less than half an hour ago. She was found outside this city, wounded and missing her memories for an indeterminate period of time. ...not more than a few months, or she'd have grown taller. (Probably.)

She spends a minute inspecting her orb's records. Nothing since the last thing she remembers, a flight to base after a routine patrol. The orb's recording ends abruptly just where her memory cuts out, and picks up where she powered it on again in front of Terendelev and Hulrun.

That shouldn't be possible. Even if she had suddenly desynced from the orb, hit by an unexpected ambush, the orb would have recorded powering down. So she, or someone with access to the orb, deleted those records. (Orbs have limited storage; aerial mages curate what they keep, their best battles and their most lasting memories, after making a copy back at base.) Someone who knew exactly when her mysterious memory loss started.

With trepidation, she powers down the orb so she can sync to the Type-95 nestled against her breast. It's as hard to use as ever but she doesn't need it to do much, not even flight, just to check the records -

Nothing. Or, at least, nothing she didn't expect. Tanya spins up the Type-97 orb and repowers her barrier while she considers.

Someone put the strange bracers on her, a magical appliance of the local kind that Terendelev recognized. Someone wounded her, badly, and left her near the city to be found or to die. Someone erased the records on her orb. Someone erased her memories. Someone brought her to this planet, a completely unprecedented event. And she mysteriously knows the local language.

Tanya hates it but she is a rational man and she does not shy from the truth: apart from the wound, that someone was most likely Tanya herself.

She had known the Empire was dying. She was even privy to General Zettour's terrible plans - not to save it but to make the emergency landing a softer one, as he put it. She kept fighting the doomed war, because she owed it to her commanders and her men, because - she had never seriously considered desertion, not consciously. It was never the kind of thing Tanya might do. Perhaps she flatters herself too much; the army is a highly optimized organization and it is quite good indeed at training its officers not to desert or rebel.

But Tanya is a rational creature. A creature, ultimately, of rational self-interest. She signed up to risk her life for a paycheck but she didn't sign up to a suicide pact. She had decided never to pray to Being X again, that she would rather die, but would she really do it if her subordinates were at stake? The Empire, the Heimat itself? So when the desperate battles came, as she had known they would, she might have used the Type-95 again. To scourge the red tide from the earth, to lead her men to safety. And then - after months of insanity, speaking in tongues and somehow casting an interstellar teleport, after doing who knows what both at home and on this planet - she was wounded outside Kenabres (how? was she not using an orb?) and this, finally, brought the mental corruption to a halt.

Last time the memory loss hadn't been this bad. Last time, she regained enough sanity to swear never to use it again. She couldn't discard or destroy it because it was precious military equipment. She might destroy it this very moment if she wasn't told not to interrupt Terendelev.

Would she even be welcome back home, if the local researchers succeeded in locating her planet?

She drags her mind back to the present. The most important, actionable thing is that there are likely people on this planet who know her, know what she can do while she remembers nothing of them. Who think she is insane, a completely different person from the real Tanya. Her foolish decisions while under the influence are likely to come back to bite her.

She'll need to negotiate pay and other conditions and she'll need to look for ways to gather intelligence on what she might have done without letting her new employers know, while they and, eventually, other factions also try to acquire that information. Terendelev (and Hulrun) aren't stupid; an accidental interplanetary teleportation, even if such a thing were possible, would not explain knowledge of the language or the local-style bracers or the chest wound or the missing memory.

She doesn't know nearly enough about them to come clean and ask their help. For all she knows, she committed terrible crimes during her time on this planet, or at least things opposed to their interests. And she can't even flee to another country or continent because this planet is full of teleporters and has no concept of 'local events' outside of warded zones.

Curse you, Being X.

Iomedae has heard Terendelev's prayer.  The fraction of her mind that caught the prayer nearly immediately associated it with other events happening in Kenabres (which already had quite a lot of her attention), which elevated it further in her attention.
She traced back through fragments of events she lacked context on previously.  A fragment of a sentiment from someone, they themselves were definitely not Good, and the sentiment wasn't quite Good but it was close enough for Iomedae to see. 

She wants to help these people. Not only because if they fail she'd have to traverse the wilds to find another fortified city and gain entrance to its safety. Because they're fighting to preserve civilization and that is a rational common interest Tanya has with them, for there to be more islands of safety and enlightenment and paying people for their labor in the world.

She exchanges information with Abadar and a few Good gods (Gruhastha caught some particularly informative bits of rational self interest) and focuses more of her cognition.  She's confident in her confirmation of Terendelev's assessment that this is a uniquely valuable opportunity.  She has 3 candidate outsiders prepped by the time Terendelev actually starts casting the spell.  One more set of sentiments from the person of interest comes through, although unclear.

even privy to - terrible plans - not to save it but to make the emergency landing a softer one -  kept fighting the doomed war, because she owed it -

that she would rather die, but would she really do it if her subordinates were at stake? The Empire - So when the desperate battles came, as she had known they would, she might -. To scourge the -

Aroden could have seen it, but she doesn't dwell excessively on this, it is another data point remembered for a variety of purposes (plans for continuing Axis relations, long terms plans to help another ascension, another note in how bad it would be if Asmodeus actually Lawfully cooperated with Lawful Evil mortals).  She decides on the Archon to send.

It's been over a century since he was last Called.  He has spent that time developing an unusually high context education and training on "high variance" scenarios.

He has been called to Golarion by a Lawful Good caster via scroll.  He has been called to Golarion without any memory locking modifications active (although he can still lock portions of his own mind well enough it would take a Enchantment and Divination specialized Archmage to crack it).  He has been called to Golarion with his full set of Golarion-allowable equipment.  He got a (very brief) vision from Iomedae of a sentiment of a mortal of extremely high interest.

He doesn't have further context than that, but those details are themselves quite a lot of context.  This is on the extreme end of scenarios he has trained for, but it is not outside his training.

He sweeps the room with his alignment detection (a slight improvement on normal spyglass archon abilities, and a slight additional cost, but worth it in the situations he is sent into), detecting Law, then Good, then Evil, then Chaos.

A tiny shadowy creature appears in the center of the circle.  It's almost like the eye naturally wants to look over it, except it is deliberately holding itself still and open in a way that makes it more visible.

Is the spyglass archon fully equipped?  Cloak of resistance, headband, ring, amulet.  That is extremely unusual to Terendelev's understanding of the rules outsiders operate on!  In between that and the spyglass archon's unusual size (perfectly sized to cling to Tanya's shoulder and whisper to her), it looks like Iomedae responded very clearly to her prayer.

"This is Tanya von Degurechaff.  She is from an entirely different planet and lacks context on Golarion, this world.  This city is on the border of the Worldwound and under attack by demons.  She has exceptionally powerful magic by Golarion standards, at least within particular areas... I haven't gotten a full description of her magic yet.  She has expressed concern about collateral damage and bystanders and ensuring she attacks appropriate targets.  So I would like your aid in acting to provide context for her, communicating her context back to me as she find acceptable, helping her identify acceptable targets, and in general operating effectively to achieve her and my goals.  I am offering the standard payment as a donation to the local Church of Iomedae for hour-per-circle duration of your service with an option to extend to days-per-circle duration should your interactions together prove productive."

She speaks swiftly and precisely in Celestial, following the standard forms as best she can under the circumstances.

He looks to Tanya.

"You may call me Jon.  This was not my name as a mortal or how I am called outside of my duties, and this name will not serve as a truename for purposes of targeting calling spells.  Before I accept my summoner's offer, can you give me a brief summary of the rules of engagement you are currently operating under and are willing to operate under?"

His speech is in Tanya's native language, which at this point is Germanian.

He is still cycling through his alignment detection.  His initial guess (which he holds more carefully and lightly than a mortal typically would) from the brief vision of Iomedae is Lawful Neutral or Lawful Evil of an Arodenite flavor.  He took a class on working with Lawful Evil Arodenites once... it was after learning that a former binder of his had been sent to Hell.