The combination of magic potion and fruit, when mystery descends upon the sea, the world begins to change, faith is born, the fire of revolution begins to boil, the pirates obey in fear, the navy can no longer rule the sea, and the Celestial Dragons can only tremble!

Shirou: Huh? Messenger of Justice? What's that? If you love your sister, go fight in the Holy Grail War. If you can't even kill six people in a row, and you can't even take down an EA, what's the point of being a sister-con? I always take it with my face, understand? Excuse me, young man next door, but you actually need Saber to help you fight in the Holy Grail War? I always tear people apart with my bare hands, okay? You can't even tear a Servant apart with your bare hands, and you're still calling yourself Gudako's dad? Have some shame! Today, I'm going to teach you how to fight the Holy Grail War! ...