“Hmm... There must be a reason that you attack this castle... But what...?”
— Raeth
Raeth (also sometimes known as Reis) is the boss of Chapter 15: The Dragon Girl in Fire Emblem: Binding Blade. According to the in-game dialogue, he is a General in Bern's Army. Raeth is charged with defending a small fort on the Etrurian border, where Fae is imprisoned.