The Legendary Sword Honjo Masamune

Few Japanese swords are as famous as the Honjo Masamune. This sword captures the imagination like no other. It is the work of Japan's most famous swordsmith. You would expect nothing less. The sword's impeccable quality is beyond question and its beauty is unimaginable. Add to that the rich history of the Honjo Masamune, from its victory in battle to the mystery of mysteries, and you have the perfect Japanese sword, one that will stay etched in memory.

The story of the Honjo Masamune is rich in insight into the history of feudal Japan, its philosophy, its art and the samurai way of life. Despite its fame, the whereabouts of the Honjo Masamune remain an unsolved mystery today. That is what gives it its legendary status.

Let us delve into the history, the notable owners, and the long tradition behind Japan's most legendary blade, a story of mystery and craftsmanship.

Who created the Honjo Masamune?

Image of Gyoro Nyudo Masamune, via Wikimedia.

More than 12,000 swordsmiths (only about 180 registered Japanese swordsmiths today) have worked throughout Japanese history. Only a few deserve to be called legendary. Among the famous swordsmiths, Gyoro Nyudo stands at the top.

It should come as no surprise that the Nihon Bijutsu Token Hozon Kyokai recognises exceptionally talented modern swordsmiths by awarding them its Masamune Prize, highlighting their outstanding skill and understanding of traditional Japanese sword forging.

Masamune was born at a time when the samurai class was believed to be gaining power, in the Kamakura period, from 1185 to 1333. As the samurai needed sturdy swords, Japanese sword craftsmanship developed too. One of those craftsmen was Gyoro Nyudo, the creator of the Honjo Masamune. This blade is only one of the many blades made by this legendary swordsmith in his time.

The entire collection of Masamune blades was unquestionably sturdy, beautiful, elegant and of the highest quality. Masamune blades, like the Honjo Masamune, were renowned for their beauty. The Honjo Masamune was renowned for its delicate balance between flexibility and strength. That is why Masamune blades were highly sought after by daimyo, shogun collectors and samurai.

Masamune was ahead of his time, inventing new methods of forging tamahagane steel, creating a blade with a resilient spine and an ultra-hard, razor-sharp cutting edge. This is called differential hardening. It produces the remarkable temper line, or hamon, that we know today on samurai swords, and particularly on katanas.

Experts and scholars regard the Honjo Masamune as the masterpiece of Gyoro Nyudo Masamune. The quality of manufacture, functionality and aesthetics of the blade are beyond doubt. But its influence on the history of Japan testifies to its cultural and historical importance.

Characteristics of the Honjo Masamune

The Kanze Masamune katana at the Tokyo National Museum, by Kakidai via Wikimedia.

It is one thing to say that the Honjo Masamune is a magnificent sword, especially as nobody knows where it is today. But records from the past have revealed certain aspects associated with Masamune's masterpiece, allowing future generations (like us) to appreciate its importance.

Structural and visual characteristics

Unlike the Musashi Masamune tachi and the Hocho Masamune tanto, the Honjo Masamune was a katana. It is therefore shorter than the Musashi, but closer to the Hocho. Like other katanas, the Honjo Masamune had a curved, single-edged blade and could measure between 60 and 80 cm (23.6 to 31.5 in) in length (blade only).

Although its hamon was not as elaborate as that of Edo-period katanas, the Honjo Masamune nevertheless featured finely drawn temper lines. Masamune is revered for his extraordinary precision and art, which far surpassed the other swordsmiths of the time.

A hamon pattern on a Japanese blade, by Giube via Wikimedia.

Before its disappearance during the American occupation after 1945, many connoisseurs of the Honjo Masamune described it as having a shimmering finish. This characteristic is accentuated by the hamon of the blade, as well as by other features of its surface, which make it a magnificent object to admire.

Thanks to Masamune's skill in sword forging, the Honjo Masamune is said to have had a remarkable balance, giving it exceptional power and agility in the hand.

Symbolic meaning

The Honjo Masamune is not only a sword on which a samurai could rely. It is also a work of art and a symbol of social status. The government granted it the status of Kokuho (Japanese national treasure) in 1939.

Possession of the Masamune symbolised the authority and power of Umanosuke and General Honjo Shigenaga in the eyes of Toyotomi Hideyoshi, Tokugawa Ieyasu and Tokugawa Iemasa. Masamune's work shone under the Tokugawa era, changing hands many times and establishing itself as a precious cultural and historical treasure.

History of the Honjo Masamune

Understanding the story of the Honjo Masamune is like studying the rich history of Japan. It is a strong argument and a solid basis for assessing the Japanese sword as one of the most remarkable.

Origins and early history

A battle during the Sengoku period, from the Shinsho Gokuraku-ji temple, via Wikimedia.

We do not know the exact date on which Masamune developed the Honjo. We can, however, infer that the blade may date from the 13th and early 14th centuries. To our knowledge, Masamune lived from 1264 to 1343. Moreover, nobody knows for certain who owned the Honjo Masamune first.

The first written evidence of its existence dates back to a clash between the forces of Honjo Shigenaga and those of Umanosuke, during the Sengoku period, between 1467 and 1615. According to historians, Umanosuke struck at Shigenaga's helmet with the Honjo Masamune. The general's helmet was split (a testament to the strength and precision of the Honjo Masamune), and Shigenaga survived. Umanosuke died.

It is not known for certain how Umanosuke came to own the Honjo Masamune. The clash saw the famous owner of the sword change. Shigenaga named the sword in his own honour and that of its creator, Honjo + Masamune, and kept it as a prize of victory.

Besides Umanosuke and Shigenaga, the Honjo Masamune may have had other "masters". Suppose that Masamune made the sword at the height of his career (around 1310–1320) and that the clash between Umanosuke and Shigenaga took place in 1592 or before. That leaves at least 270 years of ownership of the sword of which we know nothing. This adds to the mystery and fascination of the Honjo Masamune.

The symbol of the Tokugawa shogunate

Tokugawa Ieyasu, who began the Tokugawa shogunate, by Kano Tanyu, via Wikimedia.

Shigenaga took his Honjo Masamune to Fushimi Castle in 1592, where Toyotomi Hideyoshi's retainer, Toyotomi Hidetsugu, forced Shigenaga to exchange his Honjo Masamune for 13 pieces of silver (13 mai). A later appraisal in the Kyoho Meibutsu Cho revealed that the sword's value was 1,000 mai, reducing Shigenaga's price to 987 mai.

The Honjo Masamune changed hands several times. It came from Toyotomi Hidetsugu. It was then entrusted to a brand-new master, Toyotomi Hideyoshi (one of Japan's "Three Great Unifiers"). It then passed into the hands of Shimazu Yoshihiro before returning to Hideyoshi.

Toyotomi Hideyoshi presented the Honjo Masamune to Tokugawa Ieyasu when he became shogun of Japan, founding the Tokugawa shogunate and heralding the start of the Edo period. The Honjo Masamune became a symbol of the Tokugawa shogunate, handed down from generation to generation, from Ieyasu to Yorinobu and Ietsuna, over a period of more than 250 years.

Like the British crown and sceptre passed down to successive rulers, the Honjo Masamune was a tangible link to the power and prestige of the shogunate.

The Honjo Masamune after the Meiji Restoration

The promulgation of the new Japanese Constitution during the Meiji era, by The Graphic, via Wikimedia.

The Meiji Restoration of 1868 ended the Tokugawa shogunate and the Edo period, and with them everything that made up feudal Japan, including samurai swords. Although the Honjo Masamune remained the property of the Tokugawa, it no longer served as a pledge of power, but rather as a historical object.

The Tokugawa family is believed to have kept its swords in Kii until December 1945, when Tokugawa Iemasa handed the Honjo Masamune over to the police. The Honjo Masamune was surrendered to the Mejiro police, in accordance with the order of the Foreign Liquidation Commission requiring all swords to be handed in.

The Mejiro police presented a "family heirloom" and other confiscated Japanese swords, which were handed over to "Sergeant Coldy Bimore" at the FLC. Unfortunately, recent attempts to recover the sword have revealed that Sergeant Bimore does not exist. The whereabouts of Japan's most famous blade are unknown. Its location has been at the heart of many conspiracies and twists over the years.

The mystique of Masamune's forging techniques

Like many things in life, the Japanese sword is as impressive and renowned as its creator. In the case of Japan's greatest swordsmith, it is essential to unravel the mystery of Masamune's remarkable craftsmanship.

Differential hardening and the ideal samurai blade

Let us be clear. The master swordsmith Amakuni Yasatsuna invented the technique of differential hardening, which makes it possible to create a samurai sword with an extremely sharp and resilient cutting edge and a soft, flexible spine, for a perfect combination of strength, durability and toughness.

Masamune improved on Yasatsuna's differential hardening techniques by using more effective clays to make the back of the blade (the spine) thicker than its cutting edge. He carefully organised the quenching time, frequently cooling and heating the blade several times in a precise order to obtain a more flexible spine and a more durable cutting edge.

Many historians believe that the Honjo Masamune showed the master swordsmith's remarkably different hardening method, creating a blade able to withstand heavy stress without losing its edge.

We can only imagine the versatility and the hazards of the Honjo Masamune. For example, cutting Shigenaga's helmet (kabuto) in two would have been impossible, as it was made of massive iron plates. This was not the case with the Honjo Masamune. Even if its blade showed a few chips after a strike, it was still usable.

The Honjo Masamune is without doubt the most acclaimed work of Gyoro Nyudo Masamune, his magnum opus.

Fine flourishes, and the hamon design

The differential hardening process creates a sword that is extremely well balanced, durable, flexible and sharp, and gives it a particular aesthetic. We do not know what the hamon of the Honjo Masamune looked like, because no photograph shows the blade. It might have been waves, clouds or other finely worked natural motifs (anything that might symbolise or reflect Masamune's deep connection with nature and beauty).

The Honjo Masamune can thus be seen as a canvas reflecting the visionary swordsmith of the past. It reveals Masamune's love of aesthetics and the arts.

It is important to stress that many contemporary Japanese swords have false hamon patterns, produced with acid rather than by differential hardening. That is why modern Japanese swords can always rival the beauty and natural appearance of old blades, including those made by Gyoro Nyudo Masamune.

The cultural and historical impact of the Honjo Masamune

The Musashi Masamune, an important art object, by Slimhannya via Wikimedia.

Masamune's creations still carry historical and cultural importance. For example, the Honjo Masamune katana is a Japanese national treasure, his Musashi Masamune tachi is an important art object, and his three Hocho Masamune tanto are all national treasures. What makes the Honjo Masamune particularly important?

The symbol of samurai honour

A samurai without a sword is like a Greek or Roman noble without his status, a hero without an eagle crown, or a famous Native American without a feather in his headdress.

The meaning of honour differs between cultures. However, the Japanese (particularly in feudal Japan) regard the Japanese sword as the ultimate symbol of the Bushido code: respect, loyalty, honour, integrity, sincerity, compassion (benevolence), righteousness (justice) and respect. In short, moral uprightness.

The Honjo Masamune was much more than a simple sword used by the samurai. It embodied the samurai code, embodying samurai tradition.

Impact on modern life

Specialists and enthusiasts of the Japanese sword know that every katana, tachi or wakizashi, made using ancestral forging techniques, is a symbol of spiritual significance linked to its creator. As Masamune is widely regarded as Japan's greatest swordsmith, one can only imagine the cultural impact of his creations.

The legacy of the Honjo Masamune lives on in contemporary storytelling, whether action-packed video games, period films or literature, such as manga. The Honjo and other Masamune blades remain inspiring characters and plot elements, expressing strength, perfection and mysticism.

Where is the Honjo Masamune now?

Many stories circulate about the whereabouts of the Honjo Masamune. The only evidence the authorities have is that Tokugawa Iemasa handed it over to the Mejiro police in December 1945. A month later, the sword was to be placed in the custody of the Army Forces Western Pacific (AFWESPAC) and returned to the United States.

Some believe the Honjo Masamune is in the home of a private collector in the United States. Other sources suggest it was lost or destroyed during transport across Japan, in the United States, or while in storage in a warehouse. Unfortunately, no evidence has been found to establish its fate.

It is not surprising that the Japanese government and other cultural groups are keen to recover the Honjo Masamune. It is a national treasure that represents an important part of Japan's rich cultural heritage. Moreover, its recovery would put an end to countless conspiracy theories and misinformation, and resolve one of history's greatest mysteries.

Researchers, historians, fans and even television stars are still searching for the mysterious Honjo Masamune. For example, Josh Gates and his Expedition Unknown team travelled to Japan to follow the trail of the Honjo Masamune. They found that the exact name of "Sergeant Coldy Bimore" (the person who reportedly received the sword after the Mejiro police transferred their officers to the FLC in early January 1946) was not on record.

The recovery of the Honjo Masamune would be an exceptional cultural moment. It would also be a great satisfaction for Japan, allowing the nation and its citizens to recover the missing work of Japan's greatest swordsmith.

Final thoughts

To those unfamiliar with it, the Honjo Masamune may seem like a merely glorified sword, an overrated blade. Yet for historians, cultural anthropologists and lovers of Japanese culture, the Honjo Masamune is a symbol of artistic excellence. Its historical importance has shaped the country, and its timeless mystery inspires the mind.

It is a precious work of art, created by the best Japanese swordsmiths and handed down as a legacy by one of the most important clans in Japanese history (the Tokugawa). Although nobody knows the exact whereabouts of its legacy, that of the Honjo Masamune is not lost. Its legacy will continue to attract attention and inspire. It is a symbol of timeless appeal and the samurai spirit.

We do not know what will become of the Honjo Masamune, or whether we shall ever find it. Perhaps one day it will be found and returned to its rightful place. We know that this sword will remain for ever a testament to the talent of Gyoro Nyudo Masamune as a swordsmith and to the power that endured in this magnificent sword.