Alter-Ego Pseudo Servant who inhabits the body of [[Kotomine Kirei]]. This tag refers to him in his Father Kotomine persona, seen during the second major story arc of [[Fate/Grand Order]]. He was eventually released as a playable Alter Ego-class Servant for the 2023 New Years event, under his full name [b]Grigori Rasputin[/b]. He also incorporates elements of "Azi Dahaka":https://en.wikipedia.org/wiki/Zahhak and "Bahloo":https://en.wikipedia.org/wiki/Bahloo.