About Caster Of Black
Caster of "Black" is the Caster-class Servant of Roche Frain Yggdmillennia of the Black Faction in the Great Holy Grail War of Fate/Apocrypha. He also becomes the proxy Master of Berserker of Red after capturing him. He is able to be summoned by Ritsuka Fujimaru in the Lostbelts of Fate/Grand Order.