Berserker of "Black" ("黒"のバーサーカー, "Kuro" no Bāsākā?) is the Berserker-class Servant of Caules Forvedge Yggdmillennia of the Black Faction in the Great Holy Grail War of Fate/Apocrypha. She is one of the Servants able to be summoned by the Protagonist in the Grand Orders of Fate/Grand Order.