A Stone is the 217th online chapter of One-Punch Man, within the Supreme Hero Arc. Sweet Mask defeats Pesky Clown but is now known as a Mysterious Being, and the public turns on him. When a man throws a rock, Saitama catches it and tells Sweet Mask that he thinks he is really cool.
Main Characters (2)
Summary
Sweet Mask finishes off Pesky Clown, but the battle has stripped away his secret. Now that everyone recognizes him as a Mysterious Being, the crowd recoils and berates him for concealing his monstrous nature while parading as a hero. One man flings a rock at him, only for Saitama to arrive and pluck it from the air. Instead of joining the condemnation, Saitama regards Sweet Mask with sincere admiration and tells him that he thinks he is really cool.
Key Events
Sweet Mask defeats Pesky Clown. The public grows hostile once his identity as a Mysterious Being is known. A man hurls a rock at him, Saitama catches it midair, and Saitama voices genuine praise for Sweet Mask rather than scorn.
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Frequently Asked Questions
What happens in One Punch Man Chapter 217 (Online), "A Stone"?
In Chapter 217 (Online), "A Stone," Sweet Mask finishes off Pesky Clown, but the crowd turns hostile once they learn he is a Mysterious Being. When a man throws a rock at him, Saitama catches it midair and tells Sweet Mask that he thinks he is really cool.
How does the public react to Sweet Mask after the battle?
The public reacts with hostility, condemning Sweet Mask for hiding his monstrous nature while posing as a hero. One man even throws a rock at him.
What does Saitama say to Sweet Mask in Chapter 217?
Rather than joining the crowd's condemnation, Saitama catches a rock thrown at Sweet Mask and tells him with sincere admiration that he thinks he is really cool.
When was Chapter 217 (Online) released?
Chapter 217 (Online), titled "A Stone" (Ishi in Japanese), was released on October 23, 2025. Viz Media lists it under the title "Rock."
Who appears on the cover of Chapter 217 (Online)?
Saitama appears on the cover of "A Stone."
Sources & Information
Looking for more on Chapter 217 (Online)? The One-Punch Man Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the One-Punch Man anime series, manga, and official materials. One-Punch Man was created by ONE and Yusuke Murata, published by Shueisha, and animated by J.C.Staff and Madhouse. All rights to One-Punch Man 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 J.C.Staff, Madhouse and Shueisha.
- Game pages: official box art, credited to the game's respective publishers.
- Manga chapter pages: volume covers, credited to Shueisha and ONE and Yusuke Murata.
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