In Arca a man named Simon Black is searching for two demons responsible for stealing a family heirloom from a family of ranchers. As his first real case in awhile, he is new to the Serendipity region, and is in search of a guide and a hired muscle to help him seek out these demons.
He's a bit cold, but he pays well, and the demons are rumored to be a tough batch, so if you're looking to sharpen your skills and get paid at it, seek him out.