Fate/Stay Night is a visual novel game developed by Type-Moon, which has spawned numerous adaptations, including anime, manga, and other games. The story revolves around a secret magical tournament called the Holy Grail War, where mages summon heroic spirits to battle for the omnipotent wish-granting device, the Holy Grail. The series is known for its complex narrative, deep character development, and exploration of themes such as heroism, sacrifice, and destiny.