Archer is a major Servant in Fate/stay night, summoned into the Fifth Holy Grail War under the Archer class. He is a skilled ranged combatant with a calm, sardonic personality and a strong sense of pragmatism. Although he appears to be a detached ally, he plays a crucial role in the story’s conflicts and themes, especially around ideals, sacrifice, and the consequences of pursuing justice. His true identity is a central mystery and an important part of the series’ narrative.