Breathing Styles

Breath Styles are swordsmanship styles practiced and taught by the Demon Slayer Corps. They are capable of allowing their users to fight on par with Demons, and are generally used with Nichirin Blades to slay Demons, with a few exceptions.

Overview
Breath styles are swordsmanship styles practiced and taught by the Demon Slayer Corps. The Breath Styles make use of specific and concentrated breath patterns, which increase the user's lung capacity and amount of oxygen in the blood. This increase of oxygen allows the user to enhance their physical abilities and mental concentration, allowing them to fight on par with Demons, whose physical prowess surpasses that of the average human.

Focused breaths are also capable of clotting wounds from severe injuries and slowing down the circulation of poison in the bloodstream.

All known Breath Styles currently taught within the Demon Slayer Corps are derived from the Breath of the Sun, the first one ever created.

Full Focus Breathing
Full Focus Breathing, also known as Total Concentration in some translations, is a state where Breath Style users inhale the maximum amount of oxygen within a specific breath pattern to raise their physical and mental strength to their utmost limits. It is often used by Demon Slayers to temporarily prepare a decisive attack.

Advanced Demon Slayers, such as Hashira, can constantly maintain a Full Focus Breath state, even while asleep. There is an immense difference in strength between someone who can maintain Full Focus Breathing at all times and someone who cannot.

Learning to maintain a constant state of Full Focus Breating involves blowing into a special type of super durable gourd. The objective is to blow into the gourd with enough strength to make the gourd break apart. As training progresses, the gourd is replaced by larger and larger variations of the same type of gourd.

Breath Hybridization
It is possible for a swordsman to use more than one Breath Style technique at a time, allowing the user to take advantage of the advantageous aspects of both techniques. Tanjiro Kamado, for example, can use both the Breath of Water and Breath of the Sun styles simultaneously.

Branch System
All Breath Styles originate from the Breath of the Sun, the first Breath Style ever developed.

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