Sabrina, the sword is nonmagical, but the armor possesses a faint abjuration aura. You're not able to tell anything beyond that, though.
ETA: Nothing else in the treasure detects as magic.
Getting over her flustered feelings over the image of the nude elf plaque, Katya looks over as she watches Sabrina cast a familiar bit of magic, though with a strange twist as her eyes detect a different origin for the magical effect than the way she is used to it. Moving closer Katya can't help but comment "You use your magic well... but you seem unrefined.. where did you learn?"
As she speaks Katya moves her hand to hover over the armor and a faint blue light envelops her hand.
Katya, you also detect the faint abjuration aura on the armor, but are unable to determine more about it than that.
Sabrina looks up at Katya with a puzzled look, as she didn't know the common word. "It is called ma-gic?"
Suddenly Sabrina appears awe struck and lets out a small chuckle as she remembers an old fey joke she now gets.
"I've always thought of it as my gift from father. He gave it to me about 5 summers ago when I was weeping for a hurt deer."
Adam smiles at Katya. "I hope you are not too offended, dear lady, if I play Asmodeus' Advocate and ask 'Why does it matter how she came by her power?' The point of all this is that she has it, and it does our group well that she does have it."
Once again, noting that the armor does not fit him, Adam turns to the others. "Well, let's gather everything up and get going. I'm in the mood for some blackberry tarts... You think they have anything like that at Olaf's?"
The party finishes packing up the loot (and a couple of tatzlwyrm heads) and prepares to move on.
If no one else has any objections, the party spends the rest of the day exploring the area before moving on to the northwest. With the notes from the dead explorer, you're able to finish things up inside of a day.
The next day is warm and clear, with a slight breeze from the south. This helps to drive off the midges that infest the area; there are occasional low-lying boggy patches, and every now and then the party has to stop to remove leeches from the horses' fetlocks. Late in the afternoon, the party is looking for a place to camp for the night when Adam and Jacyn catch a whiff of rotting vegetation during a calm moment. It's at that point that Havrin and Sabrina notice that the birds have gone quiet. Through the trees up ahead, Havrin spies a flash of white in a clearing.
"Feels like a dead marsh to me... all still and stinky." Adam covers his nose briefly then remembers he is used to the foul odors of the world.
Havrin nocks an arrow to his bowstring and guides Stepper toward the clearing, silently motioning for his companions to follow.
Stepper's hooves squish as the ranger advances across the wet ground. The center of the clearing is a low, marshy pond, filled with stagnant, scummy water. To Havrin's left, he sees the body of a white horse at the edge of the pond, collapsed in a heap. Its hindquarters are to the party. Havrin, you notice something odd--there are midges and other insects visible in the shafts of sunlight penetrating the edges of the canopy around the clearing, but none of the insects approach within about fifteen feet of the body. The pond is apparently empty of frogs as well.
"Is it a horse... or a unicorn?" Adam asks, remembering the sigil of the Unicorn from his heraldry lessons.
From this perspective you can't see its head. It might be a unicorn, though--its coat is a white that's hard to get in normal horse breeding.
"Do you think we should try to drag it out of the water?"
"Notice the insects? They won't approach the body," Havrin quietly informs his companions. "Let me get a better look before anyone touches it." The ranger dismounts from Stepper and warily approaches the equine form, arrow still nocked to bowstring as he moves around the body.
Bea looks concerned and drops down from her saddle, cautiously approaching the corpse with Havrin.
It does not move. As Bea and Havrin approach the body and go around it, the first thing they notice is that its eyes are open and completely milky white. The second thing they notice is the jagged stump on its forehead. It was, indeed, a unicorn, and someone or something seems to have snapped off its horn--whether this took place before or after its death is unclear to Bea.
The horn is nowhere to be seen.
Dropping to her knees, Beatrix shakes her head at the sight. "Oh, no. Who'd do a thing like that."
Jacyn and Smoke stays out of the way of those who are actively investigating the body, though he scans the area for signs of anyone else who may have gotten this close to the body, hoping to find some kind of tracks or trail.
Sabrina takes a look herself but can't seem to determine anything of note to add to the party's understanding.
Adam looks around and drops from his horse. "Someone despicably evil, or perhaps an opportunist who just wanted the horn for him or herself. It really is impossible to say."
Adam things back to all the tales and legends he knew, especially those regarding unicorns.
Adam, you remember a few legends about the notional purity of unicorns. They are supposed to be benevolent, but keep to themselves in wild places. Sabrina, all you can tell is that there are no obvious wounds on the fallen creature. Jacyn, you can find no traces of anything resembling tracks.
"I've never seen a real unicorn before, and it saddens me to see what's happened to this poor creature. Do they normally have milky white eyes?"
Katya shakes herself down from her horse as she follows the group up to the death site of the unicorn. A look of shock passes over her face for a moment as she watches the rest of the party examine the dead unicorn.
"Why would anyone kill a unicorn..." Katya muses to herself.
Her train of thought is interrupted by Havrin as he asks about the eyes and Katya speaks up, "No. That certainly isn't normal. Not normal at all. This area and the unicorn bear further investigation. In fact," Katya switches to the Dragonic language as her eyes flare blue, casting her magic across the area of the dead unicorn, "Ickrak'ey arcaniss!"
Casting out her arcane sight to try and pick up on what might have caused the unicorns death.
ETA: However, detect magic does reveal a faint aura of necromancy about the corpse.
"So was it blind, I wonder? I don't think I've ever heard of blind unicorn," Havrin muses upon Katya's confirmation that milky white eyes are not normal for unicorns.
"We should move the body away from the water and give it a proper burial," the ranger suggests. "To just leave it here as it is seems so... disrespectful."
"I don't think I've ever heard of a blind unicorn before. Their horns are magical and can cure wounds and diseases, or something like that."
Adam turns to Havrin.
"I don't suppose you know who or what did this yet? I would encourage further investigation."
Havrin studies the area, trying to find some clue as to who or what killed the unicorn.
Katya, you aren't able to tell more about the magical aura. You're quite sure that the unicorn was blind when it died, and as far as you can recall unicorns don't have compensatory senses that would allow one to function without sight.
Havrin, it's been long enough that you can only find a few traces of the unicorn's tracks, and it's a massive creature walking on soft ground. There are no other tracks or traces visible (although you can tell that there are no other animal tracks near the body, and can see where other animals have detoured around the body).
Katya shakes her head as the glow in her eyes dims. "This area has been like this for too long. There is something foul at play, I can sense necromancy around the unicorn, but I can't tell what kind. The poor creature died blind, but I doubt it was like this its whole life. Heh... my old Master would know what this is... I'm sorry, I can't tell any more about unicorn's fate. Havrin is right though... it deserves something better than this."
An almost uncharacteristic melancholy settles over Katya as she waits for the rest of the party to decide what to do, staring at the dead unicorn as if a small piece of magic had died in the world.
The horses do not willingly approach the body, and only Smoke and Stepper can be forced to come near it. Nevertheless, with some rope and ingenuity you're able to get the dead unicorn away from the pond and buried. It's muddy, dirty work, and by the time you're done it's dark.
As the group buries the unicorn, Havrin says a prayer to Erastil, asking Ol' Deadeye to to guide the unicorn's spirit safely to the afterlife.
Once the burial is done, the ranger searches about for an appropriate campsite and helps his companions set up camp.
Jacyn helps Havrin with the digging, staying silent and respectful during the ranger's prayer.
Beatrix is solemn and mostly quiet as they set about their work. Once they set camp and are eating their evening meal, she takes her plate and sits next to Havrin to eat. "It was a good prayer. I...well, I gave token homage to Erastil growing up, just 'cause that's expected 'round Brevoy, but I didn't exactly go to weekly sermons. I just...I really don't know much about him, I suppose. He's found some sort of favor in me, only he knows why, but I don't know his prayers or rites or anything - just that he likes families and good homes and such. Maybe I'd better ask the priest back at Oleg's, but I thought, you seem to know plenty about him..."
Havrin, the campsite selection isn't very good hereabouts. The best you can do is to find a less-damp spot to make camp. There is at least a plentiful supply of insect-repelling plants near the place you find, so the midges aren't as much of a problem as they might otherwise have been.
The evening passes uneventfully, except for a theological discussion elided over. Next day you're able to finish exploring the area; the only odd thing that happens is as you're setting out for the day. You happen to pass by where you buried the unicorn; the ground has already subsided where you mounded it up over the body, a change that (while expected) would normally have taken several weeks as the body decayed.
"I'm a bit tempted to dig the grave up to see what caused it to degrade so but I've a feeling the body might already be gone...plus, I really don't think we need to desecrate the grave by digging it up."
Beatrix is solemn and mostly quiet as they set about their work. Once they set camp and are eating their evening meal, she takes her plate and sits next to Havrin to eat. "It was a good prayer. I...well, I gave token homage to Erastil growing up, just 'cause that's expected 'round Brevoy, but I didn't exactly go to weekly sermons. I just...I really don't know much about him, I suppose. He's found some sort of favor in me, only he knows why, but I don't know his prayers or rites or anything - just that he likes families and good homes and such. Maybe I'd better ask the priest back at Oleg's, but I thought, you seem to know plenty about him..."
"Thanks, Bea, but I don't know if I'd call myself particularly knowledgable," Havrin replies softly. "Worship of Erastil is really strong in the Medvyed lands near the Gronzi Forest where I grew up, but I have to admit that I was more like you when I was young... My homage to Ol' Deadeye was definitely of the token variety!" he says with an embarassed chuckle.
After a moment's reflection his face turns serious. "But all that changed when I learned that my father had been abducted by bandits in the Stolen Lands. I realized then that the most important things in life - to me, at least - are family and community. And I realized that banditry can destroy both of those things. That's when Erastil's message - to protect families and the community - really spoke to me. When I heard about the Swordlords' charters to explore the Stolen Lands and fight against the bandits, I took it as a sign from Ol' Deadeye: Here was the chance for me to strike back at the thing that threatens what He and I hold most dear."
"We've done that since we've been here. We protected Oleg and Svetlana by killing or capturing the bandits that threatened them, creating a safe place for a small community to begin to develop. And what's even more surprising is that in doing so, we've actually encouraged some of those same bandits to turn their lives around and begin to become contributing members of that community. I remember the priest back home saying that participating in the community and serving the people is a form of devotion. I can't presume to speak for a god, but I think Erastil would find the work that we're doing - the work that He's called you to do - more satisfying than any prayers or rites."
"Don't forget." Adam adds hopefully. "When the community does well, the individuals within that community do well. That's a fairly important factor." Adam sours at the taste of unsolicited wisdom in his mouth. "Ick. Where did that come from? I mean of course, that a productive society is a wealthier society. And where there's wealth, there are significantly more opportunities."
Sabrina seems shocked at the notion of weekly sermons and communal prayer.
"Wait, are there really places where people gather for communal prayers?" Sabrina says with a hopeful expression.
"That's so wonderful. Can show me?" Sabrina asks looking to Beatrix and Havrin with wide eyed excitement.
Jacyn sits by quietly, pondering Havrin's words and the possibility that somehow 'Ole Deadeye' had a hand in the events that led him here as well.
Could this be why I was given a second chance instead of a noose? Is Erastil trying to guide me to a life of serving for the good of a community? Perhaps...
Bea's face turns dark and somber when Havrin begins speaking about protecting families, but relaxes considerably as he reminds her of the good they've already done. Sabrina's question brings a smile and a bit of a laugh though. "Well, once a week they gather in a lodge to worship. I haven't been myself since I was a little girl - we mostly worked on crafts - useful things and the like. I don't remember much of the details though."
Working from Stefan's comments and the partial map from the tatzlwyrm lair, the party turns northeast towards the probable location of the statue of Erastil. As you make your way through the forest, Sabrina remembers spending time here in the area; with her assistance, you are easily able to find the statue Stefan talked about.
It is a stone statue of Erastil, towering over the party even on horseback. The base is overgrown with brush, but the rest of the figure is in excellent shape, and there is still a power there: Bea, Havrin, and Sabrina all feel safe as they near the statue. (By contrast, Adam feels a sensation not unlike when his father would catch him doing something inappropriate, Jacyn feels a sense akin to a formal welcome from someone standoffish but not hostile, and Katya feels nothing out of the ordinary.)
You happen to pass by where you buried the unicorn; the ground has already subsided where you mounded it up over the body, a change that (while expected) would normally have taken several weeks as the body decayed.
"I'm a bit tempted to dig the grave up to see what caused it to degrade so but I've a feeling the body might already be gone...plus, I really don't think we need to desecrate the grave by digging it up."
"I agree. We shouldn't dig up the grave, but I'll admit I am a bit curious as to why it's subsided so quickly," Havrin replies, moving carefully around the grave and searching for any signs of disturbance or other indications as to what may have happened.