The first 13 episodes of the japanese anime based on the visual novel by type moon the series follows the holy grail war an ancient tournament in which seven masters and their holy spirits compete for the ultimate prize the holy grail will grant the winner any wish of their choosing however the stakes couldnt be higher as the competitors must fight to the death to win in order to survive against their other powerful opponents masters rin voice of kana ueda and shirou noriaki sugiyama