The Great Adventure of Horus, Prince of the Sun , Taiy no ji Horusu no Daibken is an anime film released in July 1968. The directorial feature film debut of Isao Takahata, it is also the first major film by Hayao Miyazaki. Horus marked the beginning of a partnership that would last for the next 50 years across numerous animation studios.
Set in an unspecified northern kingdom, the film opens with the young Horus aka Hols Hisako kata JapaneseBillie Lou Watt English attempting to fight off a pack of silver wolves, and accidentally waking up an ancient stone giant, named Mogue or Rockoar in some editions of the film. Horus succeeds in pulling a splinter from the giants shoulder, which transpires to be a rusty and ancient sword. The giant proclaims this to be the Sword of the Sun, promising also that when the sword has been reforged, he will come to Horus, who will then be called Prince of the Sun.Horus father, on his deathbed, reveals that their family came from a northern seaside village, which was devastated by the terrifying ice devil Grunwald, leaving them the only survivors. Before dying, Horus father urges his son to return to the land of his birth and avenge the village. ........
Source: Wikipedia