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Official cover art of Cornered Rat
Cover art © ONE, Yusuke Murata / Shueisha. Not an original work of Daddy Jim Anime. Displayed for editorial commentary and review purposes.

Cornered Rat

Manga ChapterCh. 121

Cornered Rat is the 121st chapter of One-Punch Man, part of the Monster Association Arc. Gearsper spends his last strength battering Nyan with debris, but the cat monster survives, forcing Drive Knight to intervene as the S-Class hero finally reaches the fight.

Volume: 25
Release Date: September 20, 2019 (Original), February 27, 2022 (Revised for Volume 25)
Cover Character: Shadow Ring
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Summary

Mizuki looks on while Gearsper draws on his psychic ability one final time, pouring what remains of his energy into an assault on Nyan. He rips apart the buildings nearby, molds the wreckage into jagged spears, and drives them into the creature until it is buried under the rubble. The sheer output of psychic force catches Fubuki's notice from afar. Once the barrage ends, Gearsper's helmet cracks apart and he drops, spent.

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Key Events

Food Battler Futoshi allows himself a moment of relief at the seeming triumph, but Nyan claws free of the debris unharmed, its limber, boneless movements letting it slip loose. The monster rakes Futoshi open across the belly and hauls Waganma off, meaning to slaughter the child in view of the beaten heroes to cap its cruel game. A blur then rockets in and knocks Waganma from its grasp, the projectile looping back into Drive Knight's hand. Waganma and Futoshi seize the opening to run clear. Watching from a distance, Sekingar exhales at the S-Class hero's timing. Drive Knight triggers his Tactical Transformation: Chariot and bears down on Nyan, who mocks how peculiar the S-Class heroes are.

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Notes

The chapter first appeared on September 20, 2019, then was revised on February 27, 2022 ahead of its inclusion in Volume 25. Shadow Ring features on the cover, and the bonus page shows a bust of Saitama wearing a grim, concentrated look. It bears the Tonari number 160.

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Frequently Asked Questions

What happens in One Punch Man Chapter 121, Cornered Rat?

In Chapter 121, titled Cornered Rat, Gearsper unleashes his remaining psychic power to bury Nyan under rubble, but the cat monster survives unharmed and grabs Waganma before Drive Knight intervenes.

How does Drive Knight save Waganma in Chapter 121?

When Nyan claws Food Battler Futoshi and hauls off Waganma, a blur knocks the child free from the monster's grasp and loops back into Drive Knight's hand, giving Waganma and Futoshi the chance to escape.

What happens to Gearsper after his attack on Nyan?

Gearsper pours the last of his psychic energy into burying Nyan under debris, and once the barrage ends his helmet cracks apart and he collapses, spent.

How does Nyan survive Gearsper's attack?

Nyan's limber, boneless body lets it slip loose from the wreckage that buried it, leaving the monster unharmed despite Gearsper's assault.

When was Chapter 121 originally released?

Chapter 121, titled Cornered Rat, first released on September 20, 2019, and was revised on February 27, 2022 ahead of its inclusion in Volume 25, with Shadow Ring on the cover.

Sources & Information

Looking for more on Cornered Rat? The One-Punch Man Wiki on Fandom has a dedicated page with community notes.

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This 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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