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> and hey what happened to Yulyas investigation of the rock with DETECT MAGIC?
I forgot to put it in, but regardless of the roll, you can't detect magic innately in vanilla, I'd allow it to "sence a magic signature" however but the spell DETECT MAGIC is meant to be the way you do that to get any useful information. You detected no magic signature but that doesn't mean magic didn't cause it. Magic doesn't leave residue after a spell has ended.
You can certainly give the letter to Gundren's brothers.