"Yes." Bran cradles his teacup in his hands as he explains. "She is the White Rider of the Dark, and in the form of Blodwen Rowlands, a shepherd's wife, she watched over me all of my life, until four years ago the Light cast the Dark out of time. Now she is trapped here, but she seems to be gathering power for some purpose or other that I doubt any of us will like at all."