Nero Claudius Caesar/Saber (Fate/Extra)

Saber (セイバー, Seibā) is the Saber-class Servant available to be chosen by Hakuno Kishinami in the Moon Cell Holy Grail War in Fate/Extra and Fate/Extra CCC. She is often called Red Saber (赤セイバー, Aka Seibā) to distinguish her from other Sabers. She is one of the Servants of the Protagonist of the Grand Order conflicts of Fate/Grand Order.