In 1604, Miyamoto Musashi attacked the Yoshioka family at their dojo and defeated master Seijūrō and his younger brother Denshichirō in two duels. To save their reputation, the Yoshioka family…

A band of ninja warriors, led by an Iga Ninja named Yamata, witness a giant ball of fire drop from the sky and crash into the forest. When the warriors…

In an unknown place and unknown time, a lone Samurai known only as Grave thirsts for the ultimate battle.