In the Demon Slayer universe, mastering a Breathing Form is essential for survival, serving both offensive and defensive functions. Among the elite fighters known as Hashira, each possesses unique abilities, but when it comes to defensive prowess, the Stone Hashira, Gyomei Himejima, often stands out as a defender of exceptional caliber.
However, a deeper examination suggests that while Gyomei’s Stone Breathing is highly effective defensively, it may not actually reign supreme. Many fans consider Giyu’s Water Breathing to potentially surpass Gyomei’s techniques in a defensive context. This article explores why Giyu’s Water Breathing Form, particularly the “Dead Calm,”may hold the title for the most robust defensive style in the series.
Note: This analysis includes speculative insights based on the author’s perspective.
Exploring Giyu’s Defensive Power with Water Breathing: “Dead Calm”
Giyu, recognized as the Water Hashira, embodies a stoic and formidable presence both in combat and everyday life. As the first Hashira introduced in the series, he wields the Water Breathing techniques inherited from his predecessor, Sankonji Urokodaki.
During the dramatic events of the Mt. Natagumo arc, Giyu unveiled the 11th Form of Water Breathing—known as “Dead Calm.”In a breathtaking moment, he deflected all of Rui’s assaults with this technique, ultimately decapitating the Lower Moon demon. Although initially perceived as an offensive maneuver, its defensive capabilities deserve further recognition.
Unlike other Breathing Forms in the series, many of which are traditional and inherited, Giyu’s 11th Form—Dead Calm—is a personal creation. By achieving a state of profound calm, Giyu can halt all motion, allowing him to block or deflect incoming attacks with remarkable precision.
When weighing Giyu’s Water Breathing against the other Hashira, it’s essential to consider their respective defensive forms. Rengoku employs Blooming Flame Undulation, Sanemi utilizes Clear Storm Wind Trees, Tengen executes Constant Resounding Slashes, and Gyomei’s technique is known as Stone Skin.
Despite the notable defensive capabilities of these styles, each typically necessitates continual physical exertion through dynamic slashes or swings, which can lead to fatigue. In contrast, Giyu’s Dead Calm requires him to maintain a static position while effectively utilizing his Breathing technique to repel threats. This unique aspect allows him to conserve energy, which is crucial in the heat of battle.
The significance of energy management cannot be understated, particularly for the Hashira. The Total Concentration Breathing essential for executing these forms relies heavily on lung capacity, which can affect a fighter’s endurance. This may explain why Giyu’s Water Breathing Form could outperform those of his fellow Hashira defensively.
Conclusion

Water Breathing is not only vital to Giyu but also plays a crucial role for other characters, notably Tanjiro, the series’ protagonist. As one of the first techniques he learns, Water Breathing is generally recognized as one of the most accessible styles, enabling various characters—including Aoi Kanzaki—to harness its power.
With the impending release of the Demon Slayer: Infinity Castle arc, fans anticipate witnessing further applications of this iconic Breathing Form. Both Giyu and Tanjiro are set to face significant challenges, showcasing the full range of their Water Breathing prowess in the climactic battles against Muzan.