"Battle Tendency" is the second part of the manga and anime series JoJo's Bizarre Adventure, created by Hirohiko Araki. Set in the late 1930s, it follows the story of Joseph Joestar, the grandson of Jonathan Joestar, as he battles ancient beings known as Pillar Men who seek to become the ultimate life forms. The narrative explores themes of courage and friendship as Joseph teams up with allies like Caesar Zeppeli and Lisa Lisa to confront these powerful foes. The series is known for its unique art style, creative battles, and the introduction of the Hamon technique, which plays a crucial role in the fight against the Pillar Men.