Fate/Stay Night: Unlimited Blade Works Concepts

A animal or even a person that is basically a slave to another person. Familiars typically are tame, obediant and magical, though not always.

Magic is an often used term in fiction. It is the concept of affecting the universe through supernatural methods and breaking the physical laws.

Warriors summoned for the Holy Grail War in Fate/ Stay Night. Legendary heroes of the past, now Half-spiritual beings with extreme power.