Hamon Energy

The sun's power channeled through breath to purge darkness from the world.

Hamon, also known as the Ripple, is a supernatural ability featured in the first season of the JoJo's Bizarre Adventure anime. It is a mastery of a supernatural ability called Hamon, taught by Will A. Zeppeli to Jonathan Joestar, and later by Lisa Lisa to Joseph Joestar and Caesar Zeppeli. Hamon is a controlled breathing and circulation technique that allows users to channel life energy, making it effective against vampires and the Pillar Men, ancient humanoids who created the Stone Mask. The power is central to the Phantom Blood and Battle Tendency arcs, where it is used to combat supernatural threats.

Quick Facts

Type: Supernatural Life Energy
First appearance: Phantom Blood Era
Key masters: Caesar Zeppeli, Joseph Joestar
Primary target: Undead Creatures (Vampires/Zombies)

Lore & Background

Hamon is a supernatural ability that mimics the effects of sunlight, making it lethal to vampires and other creatures of darkness. In the Phantom Blood arc, Will A. Zeppeli teaches Jonathan Joestar to use Hamon to fight Dio Brando, who became a vampire using an ancient Stone Mask. The technique requires controlled breathing and circulation, allowing users to discharge heat and electricity-like currents through their bodies or objects they touch. In the Battle Tendency arc, Joseph Joestar and Caesar Zeppeli train under Lisa Lisa to master Hamon and combat the Pillar Men—Esidisi, Wamuu, and Kars—who seek the Red Stone of Aja.

The Zeppeli family historically guarded these techniques, passing them down to worthy successors. Hamon is distinct from Stand powers, which appear in later seasons; it is a biological manipulation of life force that requires intense physical conditioning and precise respiratory rhythm.

Reader's Guide

To use Hamon, a user must synchronize their heartbeat and respiration to generate the Ripple, which flows through objects they touch. This makes metal pipes or water vessels deadly weapons when charged with this life force. Historically, this power defined the conflict between humans and vampires in the late 19th century, as seen in the Phantom Blood arc where Jonathan Joestar uses Hamon to stop Dio aboard an exploding ship. In the Battle Tendency arc, Hamon is used against the Pillar Men, ancient humanoids who created the Stone Mask.

The technique requires immense physical stamina and discipline; a single mistake in rhythm can break the flow, leaving the user vulnerable. While powerful against undead foes, Hamon eventually fades as Stands become the dominant supernatural force in later generations of the Joestar family. Its legacy persists among specific lineages who retain the knowledge of breathing techniques.

Did You Know?

Hamon is taught by Will A. Zeppeli to Jonathan Joestar in the Phantom Blood arc, which aired on Tokyo MX between October 6 and December 1, 2012.
The score for Part 1 of the anime was composed by Hayato Matsuo, while Part 2's score was composed by Taku Iwasaki.
The opening theme for Part 2 episodes is 'Bloody Stream' by Coda.