"Fated one who carves out their own destiny...answer my call."
The voice goes on. Another world is in crisis, and needs help if it is to be saved. Following the mysterious voice, you participate in a strange reproduction of a Holy Grail War that has broken out in a land devoid of human reason.
A collaboration event in Fate/Grand Order with Fate/Apocrypha, released on the Japanese server on April 29, 2018 and on the NA server on April 24, 2020. Sieg is given as a reward to players for completing the event.
