From the introduction: Stand proud, warriors! This is a fullblown Adventure for the Cortex Plus Heroic Roleplaying system based on Part 3 of Hirohiko Araki’s JoJo’s Bizarre Adventure, titled Stardust Crusaders, with additional material referencing Pts. 2 (Battle Tendency), 5 (Aureo Vento/“Golden Wind”), and 6 (Stone Ocean). Future supplements will be based on Parts 1 and (Phantom Blood and Battle Tendency), the Apocrypha of Pt. 3 (The Genesis of the Universe, The 7th Stand User, and more) and Part 6 (Stone Ocean) and will feature further material from their respective sources.