Ereal M'Farthon is a deceased member of the Green Riders. She held the rank of Rider Lieutenant, and was third in command of the Green Riders. (After Captain Mapstone and chief rider Connoly) She rode the horse Crane, now belonging to Rider Ty Newland, and her ability was to move things with her mind. Ereal is first mentioned trying to contact Beryl Spencer in Mirwell province. Ereal was killed saving Karigan when groundmites attacked Lady Penburn's delegation in the beginning of First Rider's Call.

She is mentioned every time the riders do a memorial circle. However, her ghost is never seen.