"First Form: Water Surface Slash" is the inaugural technique within the Water Breathing repertoire, embodying simplicity and formidable power. This foundational technique acts as a catalyst for subsequent relentless assaults.

Executed with focused intensity, it delivers a decisive, single slash with the potential to swiftly dispatch lesser adversaries. The practitioner concentrates all their strength into this maneuver, demonstrating the lethal efficacy of Water Breathing. As an opening salvo in combat, the technique showcases the balance between simplicity and force within the art of Water Breathing.

Through its concise yet devastating execution, "First Form: Water Surface Slash" exemplifies the potent and disciplined nature of this foundational martial skill, setting the stage for the intricate and dynamic techniques that follow within the Water Breathing discipline.

"Second Form: Water Wheel" is a fluid and formidable Water Breathing technique, executed by leaping and twirling to deliver a powerful vertical sword slash. Its effectiveness and aesthetic appeal make it a compelling illustration of the grace and potency inherent in Water Breathing.

"Second Form: Improved, Lateral Water Wheel" represents an evolution of this technique, showcasing Tanjiro's ingenuity and adaptability in combat. By modifying the attack from a vertical to a horizontal slash, Tanjiro demonstrates a deeper mastery and understanding of his breathing style.

This adaptation not only underscores Tanjiro's skill but also hints at his untapped potential. Through these techniques, Tanjiro's proficiency in Water Breathing becomes evident, setting the stage for his further growth and prominence in battle.

The Third Form of the Water Breathing technique in Demon Slayer is known as the "Flowing Dance." This form showcases the effortless and graceful nature of the Water Breathing technique, resembling the movements of a dancer. As the user twists and bends their body in a graceful manner, they unleash a powerful attack with their weapon. This technique has the capability to slice through enemies effortlessly, displaying both elegance and strength.

The Flowing Dance form exemplifies the beauty and precision of the Water Breathing technique, making it a visually stunning and lethal aspect of the user's combat repertoire. Through its seamless and flowing movements, this form embodies the essence of the Water Breathing technique, demonstrating the fusion of strength and artistry in combat.

The "Fourth Form: Striking Tide" is an advanced technique within the Water Breathing style, characterized by a series of flowing and consecutive slashes. Serving as an extension of the Flowing Dance, this form emphasizes the use of multiple blows, showcasing the user's mastery of Water Breathing.

The technique demands immense skill and dedication to swordsmanship. Tanjiro's relentless training and determination to avenge his family fueled his mastery of this technique, enabling him to combat demons effectively. Furthermore, an enhanced version of the attack, known as "Turbulent Striking Tide," emphasizes increased accuracy and slash count, making it ideal for chaotic battle scenarios.

Executing this technique demands intense focus to effectively navigate the chaos of battle, as a single misstep can leave the user vulnerable to counterattacks. Therefore, mastering this form embodies both precision and ferocity in combat.

The "Fifth Form: Blessed Rain After The Drought" is a technique within the Water Breathing style, known for its elegance and grace. This form exemplifies mercy and skill, as it aims to decapitate opponents without inflicting pain. This allows surrendering enemies to experience a graceful, painless death.

The user changes their sword grip and executes a single flowing strike, resulting in a merciful end for the opponent. The technique embodies the compassionate aspect of combat, emphasizing the dignity of both the user and the defeated. "Fifth Form: Blessed Rain After The Drought" showcases the harmonious and empathetic nature of the Water Breathing style, demonstrating that even in battle, compassion and honor can prevail.

The "Water Breathing Sixth Form: Whirlpool," exemplifies the fluidity and force of this Breathing Style. By twisting their body and wielding their blade in a fierce whirling motion, the user creates a devastating whirlpool of air.

This Whirlpool Form acts as a powerful offensive and defensive technique, capable of lacerating adversaries within its range and deflecting projectiles. Underwater, the technique's effectiveness is further heightened, aligning seamlessly with the aquatic theme of Water Breathing.

Tanjiro, through his innovation and mastery, combined the footwork of Flowing Dance with the intricate twists and turns required for the Whirlpool Form technique, resulting in a formidable and advanced attack. Only the most skilled Water Breathing practitioners can unleash the full potential of this awe-inspiring technique.

The Seventh Form of the Water Breathing technique, known as "Drop Ripple Thrust," is described as the fastest thrusting technique among all the Water Breathing forms. This form allows the user to quickly and accurately stab, reducing the momentum of anything or anyone it hits.

An advanced version of this form, called "Drop Ripple Thrust, Curve," requires the user to precisely angle the stab to entirely halt the momentum of a moving object. This technique showcases the precision and control required to master Water Breathing, emphasizing the importance of accuracy and speed in combat.

Utilizing these forms effectively requires a deep understanding of the flow and rhythm of the technique, symbolizing the intricate and detailed nature of the Water Breathing style. Ultimately, these techniques exemplify the finesse and skill necessary for mastering the art of Water Breathing.

The "Eighth Form: Waterfall Basin" is a powerful technique in the art of Water Breathing. It leverages an opponent's momentum by executing a downward slash, capable of easily decapitating enemies when properly applied. Notably, "Waterfall Basin" reaches its peak potential when the user is descending, enabling them to harness immense force for a devastating strike.

This technique distinguishes itself through its efficacy in leveraging an opponent's movements and the user's own momentum to deliver a tactically advantageous and lethal attack. Overall, "Eighth Form: Waterfall Basin" stands as a testament to the ingenuity and tactical prowess present within the art of Water Breathing, cementing its status as a potent and dynamic combat technique within the universe of Demon Slayer.

The "Ninth Form: Splashing Water Flow, Turbulent" technique is a pivotal skill within Tanjiro Kamado's Water Breathing style. In a strategic display of adaptability and ingenuity, Tanjiro employed this technique during his intense battle against the powerful demon, Kyogai.

Being inside a revolving room posed a significant challenge, yet Tanjiro's quick thinking led him to use the Splashing Water Flow, Turbulent technique to his advantage. This approach allowed Tanjiro to execute devastating slashes without being confined to stable ground, showcasing remarkable agility and resourcefulness.

The complexity of this footwork underscores the advanced nature of Water Breathing techniques, illustrating Tanjiro's exceptional combat prowess. Tanjiro's unwavering determination and mastery of this technique ultimately enabled him to secure victory, exemplifying the indomitable spirit of a Demon Slayer.

The "Tenth Form: Constant Flux" is a remarkable Water Breathing technique demonstrated by Tanjiro in his intense battle against Rui. This technique involves the execution of a continuous, flowing attack, transforming into a water dragon with each successive sword slice growing in strength.

The power of the technique intensifies as momentum increases with each rotation, culminating in devastating force. This advanced form showcases the extraordinary skill and precise control required to harness the elemental power of water.

Tanjiro's ability to master this technique in a dire situation underscores the depth of his training and reveals the immense potential of Water Breathing techniques. "The Constant Flux" technique exemplifies the dynamic and adaptive nature of the Water Breathing style, cementing Tanjiro's status as a formidable warrior in the Demon Slayer series.

The "Eleventh Form: Dead Calm" is a unique Water Breathing technique created by Giyu Tomioka, the Water Hashira. This technique requires the user to attain an unnerving level of calm, minimizing unnecessary body movements to maximize speed and ensure precise attacks.

By entering a state of complete tranquility, the user gains the ability to deflect, block, and cut any incoming attacks with imperceptible speed, regardless of their ferocity. This allows the user to counter and neutralize attacks that would overwhelm most opponents.

However, despite the formidable defensive capabilities of this technique, a relentless and powerful barrage of attacks can still penetrate the user's defenses. The "Eleventh Form: Dead Calm" exemplifies the mastery and control over the Water Breathing techniques and showcases the extraordinary skill and precision of Giyu Tomioka as the creator and practitioner of this technique.