Fate/Zero

The Holy Grail War is a ritualistic battle fought to determine who is worthy of commanding the Holy Grail: an omnipotent wish-granting device. The war is held between seven mages, each armed with their own familiar, an ancient heroic spirit of legend. The Einzberns, a major contender in the grail war, have recruited the infamous mage killer Kiritsugu Emiya as their representative in the Fourth Ho...