Saber (セイバー Seibā) is a fictional character from the Japanese visual novel and anime series Fate/stay night by Type-Moon and its prequel, Fate/Zero, by Type-Moon and nitroplus. In Fate/stay night, she is Shirou Emiya's servant while in Fate/Zero, she is Kiritsugu Emiya's Servant. An agile and powerful warrior, Saber is loyal, independent, and reserved; she appears cold, but is actually suppressing her emotions to focus on her goals. Her class is considered the "Most Outstanding", with excellent ratings in all categories.