Rider of Red

Rider of "Red" ("赤"のライダー) is the Rider-class Servant of the Red Faction in the Turifas Holy Grail War of Fate/Apocrypha. He was not part of the designs for the original canceled online game project.

Identity
Rider is Akireusu (アキレウス), a former pupil to Chiron.

Fate/Apocrypha
During the story, a battle starts between Rider and Archer of Black, to which Rider greatly accepts.