AstolfoWP (アストルフォWP, Asutorufo),

Class Name Rider of "Black" ("黒"のライダー, "Kuro" no Raidā), is the Rider-class Servant of Celenike Icecolle Yggdmillennia of the Black Faction in the Great Holy Grail War of Fate/Apocrypha.

After the death of Celenike, he forms a contract with Sieg.

He is one of the Servants of Ritsuka Fujimaru of the Grand Order conflicts of Fate/Grand Order.

He is a part of Hakuno Kishinami's army in Fate/EXTELLA LINK.