Fate/stay night: Unlimited Blade Works 2nd Season

The Fifth Holy Grail War becomes increasingly unstable after Caster seizes Saber and strengthens her hold over Ryuudou Temple. Rin Tohsaka and Archer recognize the growing threat, but their own partnership fractures when Archer chooses a path that places him against the very ideals Shirou Emiya is determined to follow.

Shirou has lost his Servant and every practical reason to remain in the war, yet he refuses to abandon either Rin or his dream of saving others. His stubborn idealism soon forces him into a confrontation with what that dream can become when pushed to its logical end. As the remaining Masters and Servants fall away, the struggle narrows toward the Holy Grail itself and an enemy whose plans could turn the promised miracle into a catastrophe.