"I would think you would consider the visceral, immediate threats. Monsters. Harsh weather and unfamiliarity with the land. But I caution you to be wary of subtle darkness, influence and manipulation... The dark god Ganon would surely find a use for powerful defense magic. I would not be surprised - saddened, but not surprised - if he found a way to manipulate or force you to work for him."

"Of course he would want to try given enough information about me. Do the monsters report back to him? Does he have monsters who could act like people well enough to fool me?"

"These things are mysterious... Gods can observe the world directly, in many ways. It is said he can see through monsters' eyes. Not much is known about how, exactly, the gods operate... But they are very, very powerful."

"Thank you. If he knows what his monsters know you should probably assume he knows something about me already. I don't know how to keep him from getting into Milliways except keeping him away from... the kinds of things that would allow access. Link, do you remember if we already mentioned how to enter Milliways in this world where anyone might overhear it?"

"We've talked about it... I don't think we've talked about it near other people."

"But if he can observe the world directly that might not matter. If no one here can ward against scrying and he can do it he could have seen anything that's happened since I came here. He might've seen me arrive."

"If Ganon were that omnipotent we would have lost one hundred years ago. I strongly suspect he had cannot keep watch over the world quite so universally... His knowing how to cross worlds from this contact is a slim chance, but not one I think worth worrying about having already passed. Perhaps one to keep in mind for the future, however..."

"Can he pastwatch if it comes to his attention that he might have wanted to have seen something? Should I leave as soon as possible and not come back?"

Impa makes an impatient noise. "Hmph. I have already said that what, precisely, gods are capable of is not known... I think we should all pray, and if the Great Goddess answers any of us, we will be much reassured."

"Why all of us?"

He's not sure why three people bothering her is better than just picking someone. If he had three people trying to talk to him at once that would be worse than just one.

"Important questions are prayed upon by more than one person... That is simply how it is done. Go, both of you, to the shrine. Pray there and return to me. I would follow, but I find it difficult to get out of the house, these days..."

There is probably a reason that's how it's done.

"Where's the shrine?" he asks Link.

"Just across the square... It's a shrine to Hylia, not the Sheikah shrines you saw earlier..." She looks unusually somber. 

They head over to the shrine. It's in the middle of a nicely maintained U-shaped little pond, a small wooden structure with a lovingly carved statue of a motherly-looking woman. There's a bowl in front of the statue, which has a fresh apple in it.

Link kneels, and prays.

Kneeling is probably correct if Link is doing it so Valanda does too. He tries to make his thoughts a useful prayer. He explains to the goddess, if she's listening, what Impa's worried about. He apologizes for maybe making things worse by coming here and assures her he's interested in mitigating risks if she has any advice to offer about that.

Nothing.

"...No answer. She doesn't always answer. I think she would have warned me if it really was a serious concern... But I'm not positive about that."

"None for me either. She can't want me to get in her way, it would probably be worth her while to say something if she thought I should do something differently."

"Yeah. That kind of reasoning doesn't always hold up, but for something as monumental as Ganon crossing worlds, and three people praying on it... I think it does. Let's go ask Impa though."

They head back to Impa's house, past the guard.

"...No, I must agree. The reasoning is sound. 'No news is good news' is not a common saying for no reason."

"Well, that's a relief. I think I'll still avoid mentioning how I got here again until Ganon is defeated. Thank you for bringing it up, Impa. Are there any other ways you think I might hurt the fight against Ganon?"

"Should you be separated from our young hero, be wary of the Yiga Clan. They are misguided servants of Ganon, they can use ancient arts to teleport short distances, to create smoke and confusion, and to quite thoroughly disguise themselves. Their most closely held goal is Link's death. If they were to gain invulnerable shields or weapons, it could cause trouble for years to come."

"Woah, wait, the Yiga are still around?"

"Unfortunately, yes. I first heard such rumors only a month ago... And they were confirmed only last week. But the Yiga have been attacking travelers again. Their disguises make them harder to watch out for than monsters. Troubling times once again..."

For the first time, the guy from a universe with world peace reconsiders his willingness to be an arms dealer.

"I can avoid making weapons indestructible for anyone Link doesn't vouch for but I don't know how creative they might get with an indestructible shirt and I'm a little reluctant to tell random civilians 'no, everything you own has to wear out and break, I will make you lose everything' just because they might be Yiga in disguise. But that might be the only safe thing to do, I don't know. If it is I should avoid staying here much, I don't have a lot of other marketable skills."

"I would not dream to forbid you from using your magic. The future is in many ways unknowable - the ways things could happen are so many as to be nigh uncountable. Will the Yiga use indestructible shirts on a raid of terror? Will a civilian with one manage to save himself because he had it, or even apprehend or defeat the Yiga bandits? You cannot know the distant future, and thus, in my opinion, you should not let the doubt cripple you. Instead, focus on the short and intermediate-term effects of your actions - and making civilians' non-weapons unbreakable is surely a benefit in those terms."

"Thank you. In that case, is there anything you'd like me to ward for you or your town while I'm here?"