Whether it was Kirei Kotomine or Kiritsugu Emiya,
the moment they became aware of the other's existence, they both felt a powerful resonance.
They were the same kind of person.
Yet they were also different.
What they shared was an extreme lack of some emotion within their hearts.
What set them apart was that, after everything they had experienced, they chose two completely opposite paths.
Kiritsugu Emiya wanted to become a "partner of justice" and seek a way to achieve "world peace."
Kirei Kotomine, meanwhile, yielded to his own desires. Discovering that the suffering of others brought him pleasure in both body and mind, he killed his magus mentor, Tokiomi Tohsaka, under the guidance of Gilgamesh, the King of Heroes.
Kirei Kotomine knew that Kiritsugu Emiya, like himself, was someone who would stop at nothing to achieve his goals.
But at the same time, unless necessary, neither of them would involve unrelated people.
As the overseer of the Holy Grail War, although Rizei Kotomine had cheated in this Holy Grail War and favored his own son and Tokiomi Tohsaka, Kiritsugu Emiya had no reason to kill Rizei Kotomine so long as his actions had not been exposed.
Then...
His gaze falling upon Rizei Kotomine's missing right hand, Kirei Kotomine felt that this might be the true reason Kiritsugu Emiya had wanted to kill Rizei Kotomine.
Half-crouching, Kirei Kotomine tore open the clothing on his father Rizei Kotomine's shoulder.
Looking at the incomplete Command Spell markings on Rizei Kotomine's shoulder, Kirei Kotomine more or less understood Kiritsugu Emiya's purpose in killing him.
The Holy Grail War in Fuyuki City had already been held three times.
And in every Holy Grail War, many of the participating Magi had been killed and eliminated before they could use all three Command Spells.
After the