Rin Tohsaka is a prominent character in the anime series Fate/stay night. She is a skilled and intelligent mage from the prestigious Tohsaka family, known for her proficiency in magic. Rin is a central figure in the story as she participates in the Holy Grail War, a battle royale between mages and their summoned heroic spirits. Despite her confident and competitive nature, she has a kind and caring side, often showing great depth and complexity in her relationships, particularly with the protagonist, Shirou Emiya.