Monster is the 216th online chapter of One-Punch Man, from the Supreme Hero Arc. Sweet Mask's transformation crushes Pesky Clown but exposes him as a Mysterious Being to a stunned public. Meanwhile, Saitama meets Genos, learns of the trouble at Narinki Park, sees the broadcast, and turns back.
Summary
In his transformed state, Sweet Mask crushes Pesky Clown with little effort. The win carries a steep price, however, because his grotesque new body makes plain to the watching public that he too is a Mysterious Being, leaving the onlookers stunned. Across town, Saitama crosses paths with Genos while heading toward King's home. Genos brings him up to speed on the crisis unfolding at Narinki Park, and once Saitama spots the transformation playing on a public screen, he reverses course.
Key Events
Sweet Mask defeats Pesky Clown in his monster form. The revelation of his true nature shocks the crowd. Saitama runs into Genos on his way to King's place, hears about the situation at Narinki Park, catches the live broadcast, and heads back toward the scene.
Notes
Released on October 9, 2025 under the title Obake, this two hundred sixteenth online chapter belongs to the Supreme Hero Arc and matches webcomic chapter 122. Viz Media labels it Freak. The cover gathers Saitama, Genos, Tatsumaki, and Manako.
Frequently Asked Questions
What happens in One Punch Man Chapter 216 (Online), "Monster"?
In Chapter 216 (Online), "Monster," Sweet Mask easily crushes Pesky Clown in his transformed state, but his grotesque new body reveals to the shocked public that he is a Mysterious Being. Meanwhile, Saitama runs into Genos, learns about the crisis at Narinki Park, and turns back after seeing the broadcast.
How does Sweet Mask defeat Pesky Clown?
Sweet Mask defeats Pesky Clown with little effort once he transforms into his monstrous form. The victory comes at a cost, since his new appearance exposes him as a Mysterious Being in front of the watching crowd.
How does Saitama learn about the Narinki Park incident?
Saitama crosses paths with Genos while heading toward King's home, and Genos tells him about the situation unfolding at Narinki Park. After Saitama spots Sweet Mask's transformation playing on a public broadcast, he reverses course and heads back.
When was Chapter 216 (Online) released?
Chapter 216 (Online), titled "Monster" (Obake in Japanese), was released on October 9, 2025. Viz Media renders the title as "Freak."
Who appears on the cover of Chapter 216 (Online)?
The cover of "Monster" features Saitama, Genos, Tatsumaki, and Manako.
Sources & Information
Looking for more on Chapter 216 (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 Anime 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.
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- Created byONE and Yusuke Murata
- Published byShueisha
- Animated byJ.C.Staff
- Animated byMadhouse
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