It follows several families that all come from ancient magical bloodlines as they fight over the Holy Grail using champions summoned from across time.
Fate/Zero might be the MOST anime show ever made. It follows several families that all come from ancient magical bloodlines as they fight over the Holy Grail using champions summoned from across time. Gilgamesh, King Arthur, Alexander the Great, and even infamous child-murderer Gilles de Rais are called from across time to do battle for what are essentially rich aristocratic wizards.