There are currently nine total parts of JoJo's Bizarre Adventure. Each part is comprised of numerous arcs, with one focusing on a different member of the Joestar family. The first JoJo part is split into ten arcs, with later parts containing over two dozen arcs, making it hard for many fans to choose a favorite. So many of JoJo's arcs contain lovable characters, intense fights and hard-hitting revelations, and any one of them is a candidate for someone's favorite.
Source：https://www.cbr.com/jjba-most-popular-arcs/
