
Chapter 158 is a relentless exchange of techniques between Kanao and Doma. Her fury fuels her swordwork against his ice arts, but when he steals her blade and traps her, Inosuke crashes in to turn the tide.
Kanao fights through unceasing goosebumps, gripping her sword tightly so it will not shake. Earlier demons feel like infants beside Doma, yet the burning anger inside her lets her face him. She demands to know how he could murder her family and presses the attack.
She vanishes and reappears, unleashing Flower Breathing's Fifth Form, Peonies of Futility, to slash at him rapidly. Doma answers with Barren Hanging Garden, his Blood Demon Art, which she breaks apart using the Second Form, Honorable Shadow Plum. He realizes her eyes are the key to her reading and predicting his moves.
Doma decides to gouge out her eyes and cuts toward her face, drawing a small wound near her temple as she bends away. She answers with the Sixth Form, Whirling Peach. He then deploys Freezing Clouds, Lotus Vines, Cold White Princesses, and Wintry Icicles in succession, forcing Kanao onto the defensive.
Despite anticipating his moves, Kanao loses her Nichirin Sword when Doma snatches it faster than she can perceive. He plants it beside himself, taunts her, and releases Scattering Lotuses, leaving her cut across the face as she searches for the safest gap in the hail.
The chapter establishes that the demon's frozen techniques turn deadly when inhaled, a hazard Kanao must avoid throughout the fight. It ends with Inosuke bursting through the ceiling and using Beast Breathing's Fifth Fang, Crazy Cutting, to destroy the oncoming ice and save her.

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Chapter 158, titled "Chaos," is a relentless exchange of techniques between Kanao and Doma during the Infinity Castle Arc. Kanao's fury fuels her swordwork against Doma's ice arts, but when he steals her blade and traps her, Inosuke crashes in to turn the tide.
Demon Slayer Chapter 158, "Chaos," is part of Volume 18 and takes place during the Infinity Castle Arc.
In Chapter 158, after Doma disarms and traps Kanao, Inosuke bursts through the ceiling and uses Beast Breathing's Fifth Fang, Crazy Cutting, to destroy the oncoming ice and save her.
In Chapter 158, Kanao uses Flower Breathing's Fifth Form, Peonies of Futility, the Second Form, Honorable Shadow Plum, to break Doma's Barren Hanging Garden, and the Sixth Form, Whirling Peach.
In Chapter 158, Doma snatches Kanao's Nichirin Sword faster than she can perceive, then plants it beside himself, taunts her, and releases Scattering Lotuses, cutting her across the face.
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