Saber (Fate/Grand Order - Muramasa)

Saber (セイバー) is a Saber-class Servant appearing in the Grand Orders of Fate/Grand Order.

Identity
Saber's True Name is Sengo Muramasa (千子村正), a Pseudo-Servant in the body of Shirou Emiya.

Abilities
Saber is mentioned as being a swordsman skilled enough to cut causality.

Development
Saber was first mentioned in Fate/Grand Order material I in EMIYA's's profile, EMIYA saying "...Hmph. Not bad..."