Yoriichi is the first known Demon Slayer in the series to employ Sun’s breathing style in combat. He was the first one to independently discover breathing forms through tough training and difficult conditions. According to legend, he is the most powerful Demon Slayer ever recorded. Due to his diverse fighting technique, Muzan, the strongest anime, feared him first. The following are some noteworthy facts about him.
1). The Most Powerful Demon Slayer Ever
Yoriichi is recognised as the renowned swordsman of the Sengoku Era, and even in the present Demon Slayer’s Taisho Era, no one can compare to him. Even his peers were unable of mastering the skills he taught due to the magnitude of his capabilities.
2). Birthmark of a Demon Slayer
Yoriichi has the same mark as Tanjiro, in the same location. This is the Sign of a Selected Sun-Breather. These marks indicate that Yoriichi and Tanjiro are both formidable demon slayers. Additionally, it is vital to remember that their marks are not identical.
The marks of Yoriichi and Tanjiro are unique, much like the manner in which they employ the Sun Breathing Style. This is the first time in the series that Yoriichi and Tanjiro interact. Shinjuro Rengoku was the first to recognise it, and he alerted Tanjiro to its existence when he visited.
3). Yoriichi Once Defeated Muzan
Muzan is the strongest monster in the entirety of Demon Slayer and has existed for millennia. As the progenitor of demons and an immortal, no one was able to capture him.
Yoriichi was the only Demon Slayer who was able to overcome Muzan and bring him to the brink of death. Muzan determined that leaving was preferable to rebelling against Yoriichi.
4). Creator of Sun Breathing Technique
Sun Breathing, the most potent Breathing Technique in Demon Slayer: Kimetsu no Yaiba, was created by Yoriichi Tsugikuni. In addition, every other Breathing Technique has evolved from it.
Sun Breathing is more difficult to perfect for those who are not part of the lineage and demands enormous power, endurance, and agility.
5). Yoriichi Can View The Transparent World
Yoriichi, like Demon Slayer Mark, was born with access to the Transparent World. Being the greatest swordsman of all time, he was able to use this skill without breaking a sweat.
He utilised the Transparent World to see through his adversary’s physical structure and deliver a devastating blow at the precise moment. With this talent, he was able to locate all seven of Muzan Kibutsuji’s hearts.
6). Kokushibo is his sibling.
Yoriichi’s twin brother, originally known as Michikatsu Tsugikuni, was Kokushibo. Yoriichi’s father abused him as a child, but Michikatsu took pity on him and helped him, giving him a flute to play. Yoriichi similarly cherished his sibling, leaving everything to him. When Michikatsu saw that his brother had surpassed him in combat, he got envious. As Michikatsu observed his brother overtaking him and saw no way to beat him in strength, he determined to become a demon and increase his might. Later, they engaged in combat, and Yoriichi was distressed to see his brother transformed into a monster. They fought for days, but in the end, Michikatsu killed Yoriichi because he had become a faster-regenerating demon.
7). His connection to the Kamado family
It is a frequent myth that Yoriichi is related to the Kamado family. Despite the fact that it is intriguing that all Kamado males have auburn hair and Hanafuda earrings, there is no family relation. Nevertheless, Yoriichi and the Kamados have a long history together.
Yoriichi defended the Kamados from demons when he was still a member of the Corps. Consequently, he became a close family friend. In addition, he taught his family everything there was to know about Sun Breathing when Suyako inquired about the many forms. The family felt thankful to him, so they resolved to master and pass down Sun Breathing.
8). Hanafuda earrings
When Tanjiro faced Muzan, Muzan was terrified after catching a glimpse of Tanjiro’s earrings. This triggered a memory of someone staring down on him while wearing identical earrings. These Hanafuda earrings are a potent sign of a user of Sun Breathing.
Along with his Sun Breathing, Yoriichi also passed down his earrings, which have been passed down from generation to generation within the Kamado family. The Hanafuda earrings that Tanjiro wears were previously worn by Yoriichi.
9). Death of Yoriichi
When Yoriichi witnessed his brother, Kokushibo, transform into a demon and kill numerous demon slayers, he was devastated. However, as a member of the demon slayer, he must battle his brother. He engaged in combat with both Muzan and Kokushibo at the age of 85. Even though he was old, he battled effectively; nevertheless, because of his age, he was not as skilled as he once was and was murdered by his brother. In his final moments, he saw his brother transformed into Muzan’s most powerful monster. Despite his sadness, he accepted his death. After murdering Yoriichi, Kokushibo felt regret and hatred for murdering his younger brother. Yoriichi delivered the fatal blow, killing Yoriichi and stealing his flute.
10). Yoriichi was able to use the Thirteenth Form
Yoriichi, like Tanjiro, is familiar with the Thirteenth Form technique. A demon slayer typically has only twelve forms dependent on their Breathing Style. The thirteenth is unusual since it is difficult to master. The thirteenth, on the other hand, merges all of the previous twelve forms into one lengthy succession. This form boosts the speed, endurance, and accuracy of a demon slayer.
Because it directly hits all of Muzan Kibutsuji’s critical organs, this thirteenth version is the only technique capable of defeating him. During their final combat, Yoriichi nearly killed Muzan with this technique. Yoriichi became a master of all thirteen forms by combining his lightning-fast speed and superb sword movement.
11). Yoriichi’s Battle Doll
The outstanding swordsmen ancestors of Kotetsu created a Battle Doll in the likeness of Yoriichi Tsugikuni. The Battle Doll is named Yoriichi Type Zero and resembles the famous Demon Slayer in every way except that it has six arms.
Since two arms were insufficient to recreate the actions of the actual Yoriichi, the swordsmen added four extra arms. Muichiro Tokito shattered half of the face of the Battle Doll during his training.
12). Yoriichi’s Katana
Yoriichi held a one-of-a-kind Nichirin sword that used to transform from jet-black to blood-red. After glowing red, the sword is capable of burning demons in conjunction with Yoriichi’s Sun Breath, as well as limiting their ability to heal. It is stated that Yoriichi’s Nichirin Blade is the strongest and unrivalled.