Alter Ego (Fate/Grand Order - Rasputin)

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Kirei Kotomine (言峰 綺礼) is a Executor from the Church tasked with overseeing the investigation into dissolution of the previous staff of Chaldea Security Organization for the incoming director Goldolf Musik. It is later revealed that he is working with Koyanskaya‎ and the Crypters in their goal of supplanting the Greater History of Man with that of the Lostbelt.

Background
Kirei's background compared to his counterpart is unknown. There was only one Fuyuki Holy Grail War, so it is unknown if he was involved.

Fate/Accel Zero Order
The Kirei who participated in the Fourth Fuyuki Holy Grail War was indirectly mentioned in this Singularity. He followed Tokiomi’s orders. However it appears that he never took an interest in Kiritsugu, as he didn’t participate in this Holy Grail War. After Tokiomi lost Gilgamesh, he has Kirei transfer his master rights to Tokiomi. Thus Kirei’s conversation with Gilgamesh never occurred and he didn’t turn into his twisted self.

Arc 2 Prologue
Kirei was introduced by Goldolf as the representative of the Church.

Abilities
Kirei displays the ability to kill a Servant with a melee strike, striking all the way throughda Vinci's chest and piercing her heart. As she does not die immediately, she is able to hold him in place to prevent him from moving until she fades away.