Chloe von Einzbern (クロエ・フォン・アインツベルン, Kuroe fon Aintsuberun?), also known as Kuro (クロ, ? lit. "Black"), is a twin existence formed from Illya's original self in Fate/kaleid liner PRISMA☆ILLYA. She appears as Archer (アーチャー, Āchā?), an Archer-class Servant able to be summoned by the Protagonist in the Grand Orders of Fate/Grand Order.