“You, are you perhaps a person with a vigorous sense of curiosity?” — Celenike Icecolle Yggdmillennia. Celenike Icecolle Yggdmillennia (セレニケ・アイスコル・ユグドミレニア, Serenike Aisukoru Yugudomirenia?) is the Master of Rider of Black in the Great Holy Grail War of Fate/Apocrypha.