"The leader of the Assassin Order is someone willing to sacrifice everything for their faith.
"To obtain the necessary skills, they train day after day for decades in harsh and grueling conditions.
"To erase their sense of self, they don't hesitate to cut off their own face, turning themselves into faceless, nameless monsters.
"To gain power, they modify their bodies, meddle with taboos, and even incorporate a demon's flesh and blood into themselves.
"Only after countless sacrifices did I finally become the Old Man of the Mountain.
"Now, I can't even remember what I looked like in the beginning.
"At the end of extraordinary asceticism, both my body and mind were replaced. My soul, too, became entirely different from the self I was born as.
"In the past, I could give up everything without restraint. That was precisely how I obtained the position of leader.
"But after receiving the title of 'Hassan-i-Sabbah,' I could no longer sacrifice myself at will.
"To protect the order and safeguard the people, every choice and action I made as its leader had to be handled with the utmost care.
"That was precisely why I was enraged by the reckless orders issued by Tokiomi Tohsaka and Kirei Kotomine.
"Just to show off Archer's power and keep the enemy from causing trouble, Zayd had to die over something so pointless... I simply couldn't accept it.
"'We' are the Old Man of the Mountain, Hassan-i-Sabbah. We will never forget our dignity or our resolve.
"Even if sacrifice and self-devotion are our destined ends, we must be the ones to choose the place of our death—"
Assassin paused briefly before speaking in a firm tone.
"So, Shirou... order me to die for you."
"Sorry for the wait."
Irisviel and Saber appeared in the Einzbern courtyard at