Agnes (Book of the Damned)

Sister Agnes was a rouge nun who dedicated her life to undoing curses. She received visions of darkness, and wrote them in the Book of the Damned. She was burned at the stake when she was discovered.

Power and abilities

 * Vissions - Agnes received visions of darkness, which allowed her to create the Book of The Damned. It is unknown, however, what the source of her visions were.

Appearances

 * Season 10
 * Book of the Damned (mentioned only)