"Torishima said he chose it largely because it was a free intellectual property, but also because its Chinese setting was not common in manga at the time and would make it both unique and differentiate it from "Dr. Slump"s West Coast of the United States feel.The characters in "Journey to the West" travel through the Western Regions (Central Asia) and collect sacred Buddhist scrolls upon reaching their destination in the Indian subcontinent.<ref name="Yadao116117"></ref> Toriyama added the idea of the Dragon Balls to give the characters a game-like activity of gathering something in order to appeal to its "shōnen" manga magazine audience.<ref name="TenkaDen"></ref> His concept of the Dragon Balls was inspired by the epic Japanese novel "Nansō Satomi Hakkenden" (1814–1842), which involves the heroes collecting eight large Buddhist prayer beads of a necklace from eight different regions of Japan, which Toriyama adapted into finding seven Dragon Balls from seven different locations; he chose the number seven to avoid being the same as the number of beads in "Hakkenden".<ref></ref> The title "Dragon Ball" was inspired by "Enter the Dragon" as well as later Bruceploitation knockoff kung fu movies which frequently had the word "Dragon" in the title.