The Tome of Strahd

"This card tells of history. Knowledge of the ancient will help you better understand your enemy."

She flips the card.

The cerulean light dances across its surface, revealing an illustration of a smirking guardsman looking up at a haughty priest, the priest’s pointing fingers mere inches from the guardsman’s nose as the guardsman readies a wickedly curved dagger behind his back. “The Nine of Glyphs—the Traitor.” Her dark pupils shift from side to side, as though reading from an unseen text. "I see the ancient foe of an old and noble house. The lost soul will lead you to him."