Kara Nightshadow is a character in Richard A. Knaak's Diablo novel Legacy of Blood. Kara is one of the Rathma necromancers. She is not one of the masters however, but she is powerful. She always carries with her the traditional weapon of the Rathma, the ivory dagger. She is one of the main characters in Legacy of Blood, and helps Norrec Vizharan through many hardships.