Hello!! this is Otemoto from Anime Hangout.com.
The Nichirin sword that appears in Demon Slayer: Kimetsu no Yaiba has a Japanese sword motif.
Japanese swords are a general term for swords made by a unique Japanese blacksmithing method, and have a history of over 1000 years.
Japanese swords often appear in Japanese anime, so if you know the history and techniques of Japanese swords in advance, you can enjoy anime even more. A must-see anime fan!!
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What's Japanese Samurai Sword?
A Japanese sword is a sword with a blade on one side and 30 to 60 cm or longer, as shown in the image above. The swords worn by demon slayers, including Tanjirou, are like it.
Japanese sword technology is top-level and is famous for its unbreakable, unbendable, and sharp cutting ability. Even in modern value, a sword made by a master craftsman can be traded for about two million yen ($2,000).
Because of this historical persuasiveness, Japanese swords often appear in anime battle scenes.
Examples of anime that use Japanese swords
- Demon Slayer
- Katana Gatari
- Touken Ranbu
- Rurouni Kenshin .etc
From the Heian period to the Taisho period (710-1912), Japanese swords were worn for self-defense and fighting enemies. Just a modern image of a country with guns in self-defense.
In fact, Japanese swords and anime are closely related and are often used as motifs.
Japanese Samurai Sword history
The earliest forms of Japanese swords date from the Yayoi period (2,300 years ago to around 300 AD).
A double-edged sword made of bronze has been excavated from the ruins. In this era, in addition to defeating enemies, it was also used as a burial accessory to enshrine a grave.
The characteristics of the current Japanese sword have appeared since the Heian period.
In the Heian period, military power was especially developed, and many Japanese swords were required, and the technology of Japanese swords improved.
Characteristics of Japanese swords
- Does not break, does not bend, cuts well.
- The blade is made slightly along instead of straight
- Made from high-purity iron
- Single-edged, not double-edged
The optimized techniques of Japanese swords also give birth to five schools of swordsmithing.
| 5 Master Schools of Japanese Swords.(Gokaden) | ||
|---|---|---|
| Name | Number of swords | Discription |
| Yamato den | 1025 | Deep relationship between simple and robust architecture and temples |
| Yamashiro den | 847 | The Japanese sword, a symbol of the elegance of Kyoto |
| Bizen den | 4005 | The biggest faction in Japanese sword history |
| Aisyuu den | 438 | A key player in the evolution of the Japanese sword |
| Minou den | 1269 | Sengoku/Edo period hero |
The five schools mentioned above were born and the culture of Japanese swords flourished.
Japanese swords do not rust even after several years, so you can appreciate the Japanese swords of that time even today.
Amazing technique of Japanese Samurai sword
Japanese swords are made from a material called Tamahagane. A Japanese sword can be made by adjusting the carbon content of this Tamahagane by a swordsmith.
At that time, there were no calculators or component analyzers, so I was surprised because I was making it only with the intuition of a swordsmith.
| Explanation of how to make a simple Japanese sword | |
|---|---|
| Process name | Discription |
| Mizuherashi | Work to separate the steel to be used according to the carbon content |
| Melt steel and beat | The work of stacking steel on a tool called a "Teko-bou(Lever)" |
| Training | Work aimed at removing impurities and equalizing the amount of carbon by folding and forging the steel. |
| Shaped like a sword | This process creates blade patterns and warps. |
| Quenching | This process creates blade patterns and warps. |
| Inscribe | Inscribe the name of the swordsmith who made it |
The above table briefly describes the process of making a Japanese sword, but it cannot be reproduced with modern technology. It is exactly the lost ancient technology and Ooparts.
We know the manufacturing method of Japanese swords in the Edo period, but We are still analyzing the manufacturing method of the Heian period, the heyday of Japanese swords, and We are looking forward to finding out when.
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Nichirin sword with Japanese Samurai Sword motif
(Quote：Demon Slayer Anime)
Demon Slayer Nichirin Swords have a similar structure to Japanese swords.
Nichirin Sword Raw Materials Nichirin Katana is made from the steel of "Syoujouhi Satetu" and "Syoujouhi Kouseki", which are harvested in the mountains called "Youkouzan" where the sun shines all year round.
The blade of the Nichirin sword changes color depending on who uses it.
The basics are ``red, blue, green, gray, and yellow'', each of which controls the basic breathing of ``fire, water, wind, rock, and thunder''. However, if you do not have a certain amount of talent for swordsmanship, the color of the sun sword will not change.
(Quote：Demon Slayer Anime)
In addition, the blade of a user who has the best swordsmanship turns red like the sun and turns into a sword called "Kakutou" that interrupts the regeneration of demons.
The element of demon slayer must have been added to the actual Japanese sword.
This article summary
That was the explanation of the Japanese sword that is the motif of Kimetsu no Yaiba.
You can enjoy watching anime even more by knowing the history of Japanese swords and knowledge of manufacturing methods!!
