Viatorus has already brought out several things from his study. A thin book and two small wooden cases. He sets them down on the coffee table, freeing up his hands so that he can flick through the book. It's one of his own, filled with useful, if less often used, spells.

Her question gets a brief glance up from the page. "Do you know what hematite, obsidian and onyx look like? Can you tell them apart from other black stones?"