Yoriichi Tsugikuni
Progenitor of Sun Breathing and the Strongest Swordsman
The progenitor of Sun Breathing and a legendary figure hailed as the strongest swordsman in history. He created the foundation of the Demon Slayer Corps' techniques.
Quotes
- I am not your brother. I'm sorry, but I will take your life.
- Sun Breathing is the origin of all breathing techniques.
- Techniques reside in the disposition of the heart.
- Strength is persevering on the path you believe in.
Trivia
- Yoriichi Tsugikuni's eye color is a vivid red known as shōjō hi.
- His techniques are the origin of all modern breathing styles.
- He actually suffered from a mysterious illness but still reached the pinnacle as a swordsman.
- Kokushibo is Yoriichi Tsugikuni's twin brother, sharing a complex family grudge.
- Among author Koyoharu Gotouge's characters, he holds particularly profound meaning.
Alternate names
Yoriichi
Progenitor of Sun Breathing
Strongest Swordsman
Tsugikuni Iwakatsu
Profile
- Species
- Human
- Gender
- Male
Appearance
- Overall appearance
- Tall with handsome features and black hair. A beautiful man with a calm and dignified demeanor. His eyes are a distinctive shōjō scarlet color.
- Height
- Approximately 180cm
- Hair color
- Black
- Distinguishing features
-
- Shōjō scarlet eyes
- Swordsman carrying a blade
- Clean and neat Japanese attire
- Iconic items
-
- Nichirin Sword
- Haori
- Demon Slayer Corps uniform
- Head ornament (forehead protector)
Personality and abilities
- Core personality
- Calm
- Detailed personality
- Extremely calm and composed with a strong core, possessing a kind and compassionate personality toward everyone. He has an unrelenting pursuit of his own strength while remaining humble.
- Keywords
-
- Calm
- Compassionate
- Honest
- Lonely
- Hardworking
- Genius
- Motto
- Techniques are the guideposts of life. The real thing can also save people's hearts.
- Talents
-
- Genius talent in swordsmanship
- Overwhelming physical abilities
- Memory and insight
- Development of breathing techniques
- Combat techniques
- Skills
-
- Complete mastery of Sun Breathing
- Pinnacle of sword techniques
- Reading demons
- High body control ability
- Motivation
- Defeating demons with his own techniques and protecting people. His feelings for his brother and world peace.
- Habits
- Remains calm and unshaken even during battles. Rarely shows a smile.
- Favorite foods
- Rice, Vegetables
- Favorite colors
- Shōjō scarlet
- Hobbies
- Training, Meditation
- Disliked situations
- Meaningless conflicts, Unjust violence against the weak
History
- Backstory
- Yoriichi Tsugikuni is the progenitor of Sun Breathing who existed in ancient times, a peerless swordsman. From childhood, he excelled in swordsmanship and left many achievements in battles against demons. However, afflicted with a fatal mysterious illness, he entrusted his techniques to his son Tsugikuni Iwakatsu to pass them on to future generations. His techniques have greatly influenced modern swordsmen and became the source of Demon Slayer Corps techniques.
- Debut date
- February 15, 2016
- Work title
- Demon Slayer
- Media type
- Manga
- Episode or chapter
- Around Chapter 54
Development of Sun Breathing
- Significant event
- Development of Sun Breathing
- Description
- Discovered and mastered Sun Breathing, the foundation of all breathing techniques.
Duel with Kokushibo
- Significant event
- Duel with Kokushibo
- Description
- Engaged in a fierce battle with his twin brother Kokushibo, ultimately losing his life after numerous deadly fights but inflicting severe wounds on his brother.
Inheritance of Legacy
- Significant event
- Inheritance of Legacy
- Description
- Entrusted his techniques and Nichirin Sword to his son, becoming the foundation of modern swordsmen's strength.
Relationships
Kokushibo
Sibling
Twin brothers. They were in an adversarial relationship and fought an epic battle of deep-seated fate.
Tsugikuni Iwakatsu
Child
Entrusted Sun Breathing and his techniques to his son.
Demon Slayer Corps
Demon Slayer Corps: unknown
Media appearances
Demon Slayer
Manga / Supporting
Serialization started in 2016
Demon Slayer
Anime / Supporting
2019 TV series
Demon Slayer: Kimetsu no Yaiba – The Movie: Mugen Train
Movie / Supporting
Released in 2020
Voice cast and creators
Tomokazu Morikawa
- Voice actor
- Tomokazu Morikawa
- Language
- Japanese
- Version or series
- TV anime version / Theatrical version
Matthew Mercer
- Voice actor
- Matthew Mercer
- Language
- English
- Version or series
- English Dub
Koyoharu Gotouge
- Creator name
- Koyoharu Gotouge
- Role
- Original author
Koyoharu Gotouge
- Creator name
- Koyoharu Gotouge
- Role
- Character designer
Related goods
Yoriichi Tsugikuni Figure
- Item name
- Yoriichi Tsugikuni Figure
- Category
- Figure
- Availability
- Regular