
Ambush is the 149th online chapter of One-Punch Man, set inside the Monster Association Arc. Homeless Emperor unexpectedly turns his fire on Fuhrer Ugly, Golden Sperm floors Superalloy Darkshine, and a trapped Child Emperor calls for rescue as King finally reaches the crawling Genos.
Barely rising after Golden Sperm's beating, Fuhrer Ugly is caught off guard when Homeless Emperor pelts him with a spread of glowing orbs, confessing that he could no longer stand by. The bloated monster answers with a spat drop of acid, but the spheres swat the attack aside and reply with a punishing barrage. Beaten and clearly outmatched, Fuhrer Ugly edges away while swearing to repay both foes. Golden Sperm wants to finish the job, yet Homeless Emperor talks him out of it, insisting the retreating creature still has value to them.
Golden Sperm then swings toward Superalloy Darkshine, who trembles from the corrosive damage of their earlier clash. Dismissing him as unworthy of his S-Class rank, the monster launches the hero with one blow into Iaian, Atomic Samurai, and Spring Mustachio. Off to the side, four Black Sperm copies shadow the fleeing Fuhrer Ugly with plans to strike, but Metal Bat appears behind them, asks after Garou, and erases all four in a single swing. King staggers out of the rubble, mourning how far he has drifted from his companion. High above, Homeless Emperor rains his Extreme Carpet Bombing down on the three swordsmen, whose blades deflect the storm of orbs. Meanwhile Genos and Tatsumaki are swamped by clones.
Homeless Emperor betrays the Monster Association's alliance by attacking Fuhrer Ugly, who survives only because Homeless Emperor argues for sparing him. Superalloy Darkshine is knocked out of the fight. Metal Bat destroys four Black Sperm clones with one strike and reunites with the lonely King. Dodging a huge energy sphere thanks to his Underdog Man robot, Child Emperor radios Bofoi for aid, then holds his breath with under ten minutes of oxygen while trusting his transmitter to guide help. Puri-Puri Prisoner arrives for him. Genos, stripped of every limb, drags an unconscious Tatsumaki clear of the clones as King's King Engine finally roars into earshot.

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The chapter corresponds partially to Chapter 73 of the original webcomic and carries Fubuki as its cover character. Its content mirrors the volume-numbered Chapter 154, also titled Ambush, since the online and print releases run on separate counts. It sits within the long Monster Association Arc and was released on July 9, 2021.
In this chapter, Homeless Emperor unexpectedly attacks his ally Fuhrer Ugly, Golden Sperm knocks out Superalloy Darkshine, and a trapped Child Emperor calls for rescue as King finally reaches the crawling Genos.
Homeless Emperor confesses he could no longer stand by, and pelts Fuhrer Ugly with glowing energy orbs, though he later talks Golden Sperm out of finishing him off because the retreating creature still has value.
Golden Sperm dismisses Superalloy Darkshine as unworthy of his S-Class rank and knocks him out of the fight with one blow, sending him flying into Iaian, Atomic Samurai, and Spring Mustachio.
Metal Bat appears behind four Black Sperm clones shadowing the fleeing Fuhrer Ugly, asks after Garou, and erases all four clones with a single swing before reuniting with a lonely King.
Chapter 149 (Online) corresponds partially to Chapter 73 of the original One-Punch Man webcomic and mirrors the content of the volume-numbered Chapter 154, which shares the same title, "Ambush," since the online and print releases are counted separately.
Looking for more on Chapter 149 (Online): Ambush? 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.
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