Okay, we’ve got more info about the sorcerer Salomet. Is any of this relevant?
The duke held a council of magick scholars, tasked with ensorceling grimoires and trinkets. Salomet was the head. He fled with the findings of the research. Ooh, and killed everyone else! Now he’s stolen this ring, which must make it important.
We are to track him down and retrieve the ring. This is another must-do quest.
When we find him hiding out at the quarry we battle him and his men. He can’t be killed because he must run away so that we can beat him up again later. Such is gaming life.