Astolfo, Class Name Rider of "Black", 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.

Requested by @mischevioustomato@poa.st, maintained by @pasture@pl.gamers.exposed