Ilya - ...I see. So you're choosing the same method as Kiritsugu. You're going to cast away the person you love most for people you don't even know about.
Shirou - That's right. Kiritsugu and I are the same. If you want to curse someone, you can curse me.
Ilya - I pity you Shirou. You're going to be deceiving yourself forever with that crying face of yours.
(Later)
Kirei - The operation is complete. There is nothing more I can do.
Rin - ...So how's Sakura Kirei?
Kirei - I have done my best, that is all I can say. Matou Sakura is sleeping, she should wake up tomorrow morning. What will you do as the successor of the Tohsaka family Rin?
Rin - I don't even have to say it. It's the supervisors duty to eliminate a magus who has turned into a heretic. All the more so if the magus is a relative of mine...Aren't you going to stop me Emiya-kun?
Shirou - ...Yes I am. You shouldn't be the one to do this, I should.
Rin - ...What was that Shirou?
Shirou - I said I should be the one doing this, now move out of my way.
Rin - Shirou, are you even hearing yourself speak right now? Do you know what you're saying? No, this is my duty, and I won't let anyone else take my place.
Shirou - Tohsaka, stop lying to yourself. You can't do this and you know it, now step aside for someone who can.
Rin - Emiya-kun, if you take one step forward, I will...
Shirou - ...Thank you Kotomine. I can't have her trying to stop me now.
Kirei - No no, the pleasure was all mine Emiya Shirou. However, that being said, things are now looking interesting.
Shirou - And why is that?
Kirei - Because you have become him. You have become just like Emiya Kiritsugu, and so you must win this war, even without a Servant. Yes indeed, things have become very interesting.
Shirou - Why do I need to win this war? I'm not a Master anymore, I just need to make sure no one else gets hurt.
Kirei - That is exactly why you must win Emiya Shirou. Because there is no way that any of these people can be saved if anyone other than you retrieves the Holy Grail. Knowing it's true identity, you would strive above all others to gain it, to stop it.
Shirou - It's true identity?
Kirei - It is all the evils of the world, Angra Manyu. During the third Grail War, a forbidden Servant was summoned. Avenger. He was intended to easily defeat all enemies of the Einzberns, and they broke every rule they could to make sure that happened. However, the spirit that was summoned was nothing but a normal boy who had been cursed by his village. He had been made into a living devil, blamed for everything bad that happened to them. So it was only natural that he became spiteful of humanity. When he was summoned, and subsequently defeated, he was absorbed back into the grail. He tainted it, and now only the most destructive and evil means to an end can come about. That is why you will win, because only you know what to do with that kind of power.
Shirou - So, Tohsaka...and Ilya...
Kirei - Yes, they will be fighting for such a thing. And they will not hesitate to use it.
Shirou - Then...you are right Kotomine. I will win this war. Just like Kiritsugu did.
Kirei - Yes, you are very similar to Emiya Kiritsugu. However, I am not sure how similar you are. For example...
Shirou - What, her? I know well enough that I can't beat Archer...so I guess you're right. I'll do what needs to be done.
Kirei - Hmm...This has become interesting indeed. If you need any help Emiya Shirou, I am always here.
Shirou - I can't trust you Kotomine...but on the rare chance I think you will be of help, I will come to you. Don't forget though, if I think of you as a threat to my goal....I will not hesitate.
Kirei - I did not doubt that for a moment.
(The Next Day)
Shirou - So you're telling me he's dead?
Kirei - Yes Emiya Shirou, Matou Zouken is no longer among the living. He died with Matou Sakura. Congratulations, only one Master remains.
Shirou - ...Ilya...Kotomine, what do you think she will do with the Holy Grail?
Kirei - I do not know Emiya, and I doubt that she knows. She has been made purely to retrieve the Holy Grail. That has been her entire life. The only thing she knows besides this, is that Emiya Kiritsugu was her enemy, and the man who has taken up his mantle is now her enemy. She could very well use it against you.
Shirou - ...You're right. She needs to be stopped. Do you know where she is right now?
Kirei - I'd imagine she is heading to the Ryudou temple. That is where the Holy Grail will materialize when it is complete. However, since every master is dead, the Grail should have materialized by now to the only remaining pair. Since it hasn't, one can only assume that Berserker is not the only Servant remaining.
Shirou - Who's left? I know Rider is gone, Caster was defeated by Saber, Assassin went away with Zouken, he also killed Saber, and Archer died...so I guess Lancer?
Kirei - No Emiya Shirou, Lancer is no longer in this world. He was my Servant, and was one of the first to be eliminated.
Shirou - So who is left?
Kirei - From the feel of things, Archer. And my Archer is currently fighting with him right now.
Shirou - Wait, what?!
Kirei - My Servant from the previous Grail War remained in this world, and is currently fighting with the Archer from this world. And as I suspected, they are at the Ryudou Temple.
Shirou - Well then it's obvious what is going to happen.
Kirei - You are going to stop them?
Shirou - No, we are going to kill them.
Kirei - We? I will have you know that if my Servant wins, I will not stop him from retrieving the grail.
Shirou - Fine, but if he doesn't, or if I beat him, I expect you to help me.
Kirei - ...What shall I do if this is the case?
Shirou - You need to kill Ilya.
Kirei - That is a rather daunting task Emiya Shirou. Killing Ilyasviel while she still has Berserker will not be plausible.
Shirou - That's why I'm going to fight Berserker. I'll stall him while you take care of the main problem.
Kirei - ...Agreed. I was right about you Emiya Shirou, you make everything around you interesting.
Shirou - I'm not sure what to think about that.
(Later That Day)
Archer - So Emiya Shirou, you have come. I knew you would. And you've brought someone else...
Shirou - You remember what we agreed on Kotomine?
Kirei - Yes I do. I shall uphold my end of the bargain.
Archer - If you're looking for Ilya, she will be here momentarily. She has accepted my only request; she has allowed me to kill you.
Shirou - Are you going to stand in my way Archer?
Archer - Of course I am. What you are doing is the same as what I did. You are ignoring what Emiya Kiritsugu's life was like. You never noticed how terrible everything was for him. The regret that the path you are walking brings...It doesn't matter though. That's why I am here. Don't curse me Emiya Shirou, whether you believe it or not, I am actually saving your life. You wouldn't be able to handle that path. You aren't strong enough.
(After The Fight)
Shirou - I'm going to make this simple Ilya, let me get the Holy Grail, and this will end peacefully. Please, don't stand in my way.
Ilya - So you beat Archer, Shirou? Tell me, did you learn anything from that experience? Do you regret anything that you've done?
Shirou - I learned plenty Ilya. But we shouldn't talk like this. Berserker can't hold out much longer can he? And besides, I can see it in you. You want to kill me too. You want to kill me for abandoning you. Well, here's your chance.
Ilya - ...Fine Shirou. Have it your way. You aren't my Onii-chan anymore.
Berserker - ___________!
Shirou - Oh, Ilya, before this all begins, I do have something more to say. I have no regrets, this was my only path. My whole life is Unlimited Blade Works!
(After That Fight)
Kirei - So this is the end, Emiya Shirou. Tell me, what will you wish for?
Shirou - I don't have a wish Kotomine. I just wanted this to end with as little blood as possible, so I made it happen. I didn't need the Holy Grail for that.
Kirei - You never cease to amaze me Emiya. So, tell me, what will you do next?
Shirou - Me? I don't know. I'll see if I can get any work in Japan, but if I can't I'll head west. I heard the Russian sect of the Association is in disorder. I suppose I could straighten that out before they all kill everyone.
Kirei - You would probably do well to learn more magecraft first. Ah, but that is not your style, is it? Regardless, for any Japanese jobs you have, I am always at your beck and call.
Shirou - Don't kid me Kotomine. You just enjoy this. That being said, you're efficient and aren't dumb enough to go against me. If I need help, I might call for you.
Kirei - True, very true. One question before you go though: What will you tell those closest to you?
Shirou - ...You almost made me laugh. The ones closest to me? I killed them, and you watched me do it. I don't think I have anything more to say to them.