Back

I Am a Rock

Character

The close-range Stand of Rock Human Yotsuyu Yagiyama in JoJolion, I Am a Rock curses anyone its user touches, forcing objects to converge on the victim with mounting force until they bury themselves in the body.

Part: JoJolion
Stand Type: Close-Range Stand
Range: 5-10 meters
Manga Debut: JJL Chapter 26
Namesake: I Am a Rock (Simon and Garfunkel song)
Text Size

Overview

I Am a Rock belongs to Yotsuyu Yagiyama and features in JoJolion. Standing about as tall as its user, the humanoid Stand narrows its shoulders and upper arms down to thin pipes. Long shoulder pads bolted to its torso carry short, regularly spaced spikes, which also run across its chest, head, the clear dome over its head, and the backs of its hands.

Its head stays smooth and blank aside from those spikes, with eyes only faintly suggested by surrounding muscle and a small, thin mouth. A very narrow waist gives way to legs shaped like baggy hammer pants, and a zipper sits at the crotch. In colored art it appears chiefly in crimson, purple, and blue.

Text Size

Mechanics

This is a short-reach Stand tied close to Yotsuyu. It can outmuscle an ordinary human such as Karera Sakunami, yet Soft & Wet overpowers it in a straight fistfight, so Yotsuyu leans on its ability rather than brawling. When he touches a person, that victim starts drawing one specific kind of object toward themselves, be it flower pots, chestnuts, or cans of pesticide.

Once triggered, the chosen objects creep inward and gather speed and strength as they close, finally pressing into the flesh toward the body's center. The pull cannot be resisted by force, and smashing the objects only creates more fragments that dig in. Yotsuyu may target several people at once with the same object type, or even apply it to himself and then switch it off, and he decides which object each victim attracts. Its power comes at the cost of a short 5 to 10 meter range, so leaving that zone breaks the effect. Exploiting his Rock Human physiology, he often disguises himself as stone, touches a passerby unnoticed, and waits for the converging items to finish the job.

Text Size

Notable Users

Yotsuyu Yagiyama is the only wielder. He first reveals the ability while ambushing Yasuho Hirose in Tsurugi's hidden room, then mounts a sustained assault on Josuke Higashikata, drawing flower pots, chestnuts, and bottles of pesticide toward him in turn.

Share this resource

Frequently Asked Questions

Who is the user of I Am a Rock?

I Am a Rock is the close range Stand of Yotsuyu Yagiyama, a Rock Human character in JoJolion.

What does I Am a Rock do to its victims?

I Am a Rock curses anyone Yotsuyu Yagiyama touches, making a specific kind of object, such as flower pots or chestnuts, converge on the victim with mounting force until it presses into their body.

What is the range limit of I Am a Rock?

I Am a Rock only works within about 5 to 10 meters of Yotsuyu Yagiyama, so a victim who leaves that zone breaks the curse's effect.

What part of JoJo's Bizarre Adventure does I Am a Rock appear in?

I Am a Rock appears in JoJolion, debuting in Chapter 26 of the manga.

Can destroying the objects stop I Am a Rock's curse?

No. Smashing the converging objects only creates more fragments that continue digging into the victim, so I Am a Rock's pull cannot be resisted by force.

Sources & Information

Looking for more on I Am a Rock? The JoJo's Bizarre Adventure Wiki on Fandom has a dedicated page with community notes.

View on Fandom

This content is original writing by Daddy Jim Headquarters based on the JoJo's Bizarre Adventure anime series, manga, and official materials. JoJo's Bizarre Adventure was created by Hirohiko Araki, published by Shueisha, and animated by David Production. All rights to JoJo's Bizarre Adventure and its characters belong to their respective owners. Episode and chapter references are cited where applicable.

Rights holders

All rights belong to their respective owners.

Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:

  • Movie pages: theatrical posters and key visuals, credited to David Production and Shueisha.
  • Game pages: official box art, credited to the game's respective publishers.
  • Manga chapter pages: volume covers, credited to Shueisha and Hirohiko Araki.

Help Us Keep This Wiki Accurate

Daddy Jim Headquarters maintains this encyclopedia. If you spot an error, a translation issue, or something that doesn't look right, let us know.