The Mystery of Kusanagi: Japan’s Sacred Sword at Atsuta
Deep within the verdant, wooded grounds of the Atsuta Shrine (Atsuta Jingu) in Nagoya lies a secret that has captivated Japan for millennia. It is the resting place of the Kusanagi-no-Tsurugi, or the “Grass-Cutting Sword.” As one of the Three Imperial Regalia of Japan, this sword is not merely a weapon; it is a divine symbol of legitimacy, authority, and the soul of the nation. Yet, despite its fame, it remains unseen, shrouded in mystery and heavy layers of Shinto ritual.
For the cultural traveler, a visit to Atsuta Shrine is a journey into the heart of Japanese mythology. While you cannot gaze upon the blade itself, understanding its story transforms a visit to this serene sanctuary into a walk through the pages of ancient history.
Origins of a Sacred Relic
The Kusanagi-no-Tsurugi is part of the Sanshu no Jingi (Three Sacred Treasures), alongside the Yata no Kagami (mirror) and the Yasakani no Magatama (jewel). According to tradition, these items were brought to earth by Ninigi-no-Mikoto, the legendary ancestor of the Japanese imperial line, sent by the sun goddess Amaterasu.
Historically, the sword represents the virtue of valor. Its presence at Atsuta Shrine dates back nearly 1,900 years, making the shrine one of the most significant Shinto sites in Japan, second only to Ise Jingu. The sword is considered a shintai (god-body), a physical object in which a kami (deity) resides. Because of this extreme sanctity, the sword is kept hidden from public view. Even the Emperor of Japan does not see the physical sword during rituals; it remains enclosed, preserving its spiritual purity and mystique.
The Legend: From Dragons to Fire
The mythology surrounding the Kusanagi Sword is as sharp and dramatic as the blade itself. Its story begins in the Age of the Gods, recorded in Japan’s oldest chronicles.
The Slaying of the Serpent
The storm god Susanoo, exiled from the heavens, descended to the province of Izumo. There, he encountered an elderly couple weeping because the fearsome Yamata-no-Orochi—an eight-headed, eight-tailed dragon—had devoured seven of their daughters and was coming for the eighth. Susanoo devised a plan, intoxicating the beast with strong sake. Once the dragon fell into a drunken stupor, Susanoo drew his sword and chopped the monster to pieces.
When he cut into the dragon’s tail, his own blade chipped. Investigating the wound, he pulled out a magnificent sword: the Ame-no-Murakumo-no-Tsurugi (Sword of the Gathering Clouds of Heaven). He presented this blade to his sister, the sun goddess Amaterasu, as a peace offering.
The Grass-Cutting Legend
Generations later, the sword was gifted to the legendary warrior Yamato Takeru. During a treacherous ambush by a rival warlord, Yamato Takeru found himself trapped in a burning field of tall grass. Desperate, he used the divine blade to cut away the burning grass, discovering that the sword could control the wind. He directed the flames back toward his enemies, surviving the trap. From that day forward, the sword was renamed Kusanagi-no-Tsurugi—the Grass-Cutting Sword.
Modern Culture and Symbolism
Today, the Kusanagi Sword transcends religious texts and has firmly embedded itself in modern Japanese pop culture. It is the Japanese equivalent of Excalibur—a blade of infinite power and kingly destiny.
Fans of anime and manga will recognize references to Kusanagi in major franchises. In Naruto, the character Orochimaru seeks a sword of the same name. In One Piece and various fantastical RPGs like Final Fantasy, the Kusanagi often appears as a high-tier weapon. This cultural osmosis keeps the ancient legend alive for younger generations, bridging the gap between the solemn rituals of Atsuta Shrine and the digital screens of the modern world.
Traveler’s Tips for Atsuta Shrine
Visiting Atsuta Jingu is a spiritual experience. Here is how to make the most of your trip to the home of the sword:
- Manage Expectations: You will not see the sword. Do not expect a museum display case containing the legendary blade. It is housed deep within the Hongu (main sanctuary) behind closed gates. The visit is about the atmosphere and the history.
- The Treasure Hall (Bunkaden): While the Kusanagi is hidden, the shrine’s Treasure Hall displays thousands of other historical swords, mirrors, and documents. It is a must-visit for sword enthusiasts.
- Eat Kishimen: On the shrine grounds, visit the Miya Kishimen restaurant. It serves a famous local flat udon noodle dish that is a Nagoya specialty. Eating noodles surrounded by the shrine’s ancient camphor trees is a highlight.
- Wall of Nobunaga: Look for the Nobunaga-bei, a mud wall donated by the warlord Oda Nobunaga in 1560 after he prayed here for victory in the Battle of Okehazama—and won against overwhelming odds.
Sources & Further Reading
For those interested in diving deeper into the mythology and history of the Kusanagi Sword, the following ancient texts are essential:
- The Kojiki (Records of Ancient Matters): Japan’s oldest chronicle (712 AD) detailing the age of the gods and the dragon-slaying myth.
- The Nihon Shoki (The Chronicles of Japan): Completed in 720 AD, this text provides a slightly different, more historical perspective on the imperial lineage and the regalia.
- The Tale of the Heike: A medieval epic that recounts the tragic loss of the replica sword at the Battle of Dan-no-ura in 1185.