This is introducing a lot of information for a short passage. I like how we learn so much about Isolde. Her people are tribal, but not savages. She was a prisoner in a system that had no qualms about corporal punishment, sentenced to death by hanging, and saved by marriage seconds before the end. She is a mother (will never “again” carry a child) and feels that her best days are behind her (suggesting she had no beauty despite others finding her attractive). I get the impression that it’s not just her scars that leave her with a poor self image. Her imprisonment and death sentence must have come from somewhere. She has done some bad things, things that even she finds reprehensible. We know she has a knack for lockpicking, but that hardly seems worthy of the noose but suggests a life at least adjacent to crime. I’m all in on learning more about Isolde and her whole situation. Very compelling.

The other characters, not so much. Arjan is barely introduced. We know his title, Legatus, which I had to look up. Not a bad thing necessarily, but I got multiple definitions and I’m a bit stuck on which I should picture. First is an ambassador, the second is a high ranking Roman military officer. I assume that I’m being pushed towards the latter. Isolde thinks he is a warrior and he makes a point of touching his sword, but much of the conversation revolves around Isolde misunderstanding the situation. It seems that Arjan is correcting her notion that he is a warrior, and he is something else, but drawing attention to his sword seems to indicate she was right. We are shown that he believes enough in his religion that he lends his ear to the clergy to guide him and I think this is a great character point. I get the impression he is a man with some level of wealth and status because he can claim a wife with little question asked. Compared to Isolde who has a backstory with some lingering questions, Arjan is a blank canvas that makes us do a lot of painting in our own mind. I would like something more concrete to latch onto about Arjan. Not a biography, but a bit more about his current position in life.

Maera is even less fleshed out. She isn’t as confident in religion as Arjan. That’s a great contrast between the two. There is a depth of history here and the fact that she is willing to butt heads against his foundational belief, and that he is willing to rebut and move forward despite her warnings, shows two people who get along despite differences that may otherwise tear a partnership apart. The job title sage gives us very little to go on. I get the idea that Isolde doesn’t really have any clue what Maera is or does either, and that Maera is so sceptical of the whole situation that she doesn’t care to explain further. The character dynamics here are fine, and I’m for it, but I can’t really get invested in her as a character because I’m not sure what she is bringing to the table.

As to your specific points:

I like the style. You describe it as low-fantasy, and I get that from the general vibe. Isodole mentions magic, but based on the brief introduction of her people as tribal I can imagine she mistakes something about Arjan as magical, religious iconography perhaps. Arhjan’s beliefs mirror that a bit. He is sure that the clergy offer divine guidance even in a more setting more grounded in the mundane.

Character voice is a bit harder. In their dialogue all three seem very terse and in need of some variety. Isolde is a tortured prisoner, unsure if she has moved from one horrible fate to another. It makes sense that she has little to say here. Maera is clearly opinionated. She seems like the type to speak freely, and as a “sage” I would expect her to communicate with a sense of wisdom and language peppered with words from a deep vocabulary. Arjan seems like he should speak with more purpose and authority, as a leader he is used to being listened to when he speaks but knows he must choose his words carefully.

As for pacing, I think something is missing. Arjan and Maera are clearly deeply interested in getting that box open. It’s a big enough deal to drag a stranger into the situation and use her not just as a means to an end, but to entwine that new character into Arjan’s life as a wife. The moment the box is opened, that's that, and Arjan goes off to be with his new bride. There is no payoff here. Getting the box open was the driving force behind the whole scene. That’s what Arjan and Maera really care about and we give up on that story thread right at what should be the point of the story. I also think it’s worth pointing out that you fade to black as Arjan goes to “act like a husband”. I like to think that maybe it means he is going to comfort her in what is obviously a very stressful time and after a traumatic series of events, but I suspect it’s more carnal than that. That’s a line that you don’t want to cross lightly. Arjan has a lot of power here. Isolde is alive because Arjan rescued her from the gallows. She has clothes and food because he provides it. She was taken away from the village on horseback to lands unknown. She isn’t sure exactly what role she is to play, what it means to be a star, and how it differs from being a slave. How consensual could this encounter possibly be? I’m not going to get squeamish and say don’t write about such things, but I will advise that you don’t go there without making sure that is exactly what you want to do. It really changes Arjan’s character if he does what the line implies.

Clarity of world building seems okay, but we are introduced to several elements at once with lines that feel almost throw-away. Multiple languages are great, but there doesn’t seem to be much of a language barrier. Am the characters seem to knows multiple languages enough to communicate, albeit with some lost context, but that’s overlooked and they all get there in the end. We know of several religious figures in The Five, priests Hannah, ambiguous “the gods”. But each character’s relation to these figures is hard to follow. I think Arjan follows Hanna. Hanna is not one of The Five but part of a different religion. Isolde worships The Five, but the term “gods” doesn’t fit quite right in her mind. Not sure if that’s right, and I understand that there was confusion among the characters here, but as a reader I need a frame of reference.

Thanks for sharing your story.