Gekijouban Fate/Stay Night: Unlimited Blade Works

In an alternate timeline of the fifth Holy Grail War, Shirou Emiya, a novice mage, and his Servant Saber become entwined in the battle alongside high school student Rin Tohsaka and her Servant Archer. As their destinies intersect, new twists await, surprising even those who think they know what's next. Shirou and Rin form an alliance, but Archer seeks to kill Shirou, revealing a deep-seated connection between them that transcends time and fate.