Kotetsu
CharacterKotetsu was a master swordsmith of old whose hands shaped the cursed Great Grade blade Nidai Kitetsu. Through his children he founded the bloodline that would become Wano's Kouzuki Family, the ancestor of Sukiyaki, Oden, Momonosuke, and Hiyori.
Appearance
No record survives of what Kotetsu looked like; his likeness has never been depicted.
Abilities
Kotetsu ranked among the finest swordsmiths ever to work in Wano. His craftsmanship produced Nidai Kitetsu, a weapon so formidable it sits among the 21 blades classed at Great Grade. By methods that remain unexplained, he could also bind curses into the steel he forged, an unnatural quality that gifted swordsmen such as Roronoa Zoro are able to feel radiating from the metal.
History
Kotetsu lived in a distant past age. Across his lifetime he forged Nidai Kitetsu and raised children who carried his line forward, a lineage that would eventually flower into the Kouzuki Family that rules Wano in the present day.
Related Reading
See all
The Most Popular Women of One Piece: A Fan's Journey Through Anime's Greatest Female Characters...
When I first decided to commit to watching One Piece seriously, I knew I was embarking on one of anime's longest and most beloved series. With over 100...
Super Saiyan Pubes: The Song About Where Super Saiyan Hair Actually Goes
The transformation everyone knows, the follow-up question nobody would touch. Why we made a smooth R&B track about the golden glow Dragon Ball never talks about....
Frequently Asked Questions
Who is Kotetsu in One Piece?
Kotetsu was a master swordsmith of old whose hands shaped the cursed Great Grade blade Nidai Kitetsu. Through his children he founded the bloodline that would become Wano's Kouzuki Family, the ancestor of Sukiyaki, Oden, Momonosuke, and Hiyori.
What is Kotetsu's name in Japanese?
Kotetsu's name is written in Japanese as Kotetsu. He lived in a distant past age and is remembered today mainly through the cursed swords he forged.
What sword did Kotetsu forge?
Kotetsu forged Nidai Kitetsu, a weapon so formidable it sits among the 21 blades classed at Great Grade. His craftsmanship ranked him among the finest swordsmiths ever to work in Wano.
What curse did Kotetsu put into his swords?
By methods that remain unexplained, Kotetsu could bind curses into the steel he forged, an unnatural quality that gifted swordsmen such as Roronoa Zoro can feel radiating from the metal. This cursed quality is a hallmark of the Kitetsu blades he created.
How is Kotetsu connected to the Kouzuki Family?
Kotetsu raised children who carried his line forward, a lineage that eventually flowered into the Kouzuki Family that rules Wano in the present day. His descendants include Kouzuki Sukiyaki, Oden, Momonosuke, and Hiyori.
Sources & Information
Looking for more on Kotetsu? The One Piece Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.
Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:
- Movie pages: theatrical posters and key visuals, credited to Toei Animation and Toei Company.
- Game pages: official box art for the One Piece console and mobile games, credited to Bandai Namco.
- Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Eiichiro Oda.
Official resources:
Help Us Keep This Wiki Accurate
Daddy Jim Headquarters maintains this encyclopedia. If you spot an error, a translation issue, or something that doesn't look right, let us know.