Fate/stay night: Unlimited Blade Works 2nd Season

Synopsis

During the Fifth Holy Grail War, Caster's escalating power and capture of Saber pose a significant threat. Rin and Archer recognize the urgency of stopping her, but the shifting alliances of the war lead to a separation between Rin and her Servant. Shirou, despite losing Saber and sustaining injuries, defies warnings and confronts Caster, determined to prove his commitment to protecting others. As the conflict intensifies, the true objectives of each participant come to light, with Masters and Servants making ultimate sacrifices in their pursuit of the Holy Grail.