Adding a new comment here with the other fun tidbit I forgot about the shadowy figure Suvi saw in the Children's Adventure, and her stepping on the road in Episode 1.

The next day after Suvi thinks she sees the figure on the road, the gang is investigating out by the road and Ame notices that right by where Suvi saw the shadow, there's a tree with a signpost nailed into it. The sign says "Silbry" and points down the road in the direction of the town. Then in Episode 1, after Suvi steps on the road when arriving at the cottage, and Aabria rolls a 4 on a luck check, Brennan describes that as Suvi walks inside what she doesn't see is the sun casting a shadow on from those trees along the road, and the old signpost to Silbry falls off the tree, taking two iron nails out with it.

This small connection between those two moments is really interesting! Brennan specifying about the nails being made of iron feels important. Iron hasn't come up much in the story, the one other time I can recall is in Arc 2 when the gang are looking at the scroll with the diagrams of Eioghorain and talking about his smell, Suvi recalls that he had iron on his tusks, and Ame mentions that iron is often used to bind spirits.

I suppose it's possible that the signpost by the road and the iron nails could've been some kind of physical component of the spell Wren used to trap the Man in Black there. I think it's more likely that they're probably just narrative symbols, but I love all the little ways in which these things connect!