Priest Kein:
This was left behind when the monster perished? It looks like it's a piece of something larger. It's so small that it's hard to determine what it is.
But I doubt it's anything simple...
I also don't think it's a coincidence that you've become involved with this matter.
Have you heard of the Seven Signs?
No? It is a conflict between the forces of Dawn and Dusk to possess the Seal Stone. "I've heard of it."