The Legend of Tamamo-no-Mae

At a Glance

• Central figures: Tamamo-no-Mae, a nine-tailed kitsune disguised as a court consort; Emperor Toba, whom she serves and afflicts; the diviner Abe no Yasuchika; and the warriors Kazusa-no-suke and Miura-no-suke, who hunt her across the plain of Nasu.
• Setting: The imperial court of Japan during the reign of Emperor Toba in the 12th century, and the plains of Nasu where the hunt concludes.
• The turn: The diviner Abe no Yasuchika performs a ritual that strips away Tamamo-no-Mae’s human form, exposing her as a nine-tailed fox who has been draining the emperor’s life force.
• The outcome: Tamamo-no-Mae flees the palace, is hunted down on the Nasu plain, and is killed - but her spirit passes into a cursed stone, the Sessho-seki, which kills anyone who touches it.
• The legacy: The Sessho-seki, the Killing Stone, remains as the physical remnant of Tamamo-no-Mae’s malevolent spirit - a stone that bore death to any hand laid upon it.

She arrived at court already perfect. Every poem she composed landed without revision. Every instrument she lifted she played as though she had been born holding it. Courtiers gathered around her as water gathers in a low place, and Emperor Toba looked at her with the open admiration of a man who does not yet know he is in danger.

Her name was Tamamo-no-Mae. She seemed to glow from within - or so the courtiers later said, when they were trying to explain how none of them had noticed.

The Emperor Falls Ill

Soon after Tamamo-no-Mae became the emperor’s closest consort, Toba began to weaken. There was no wound, no clear cause. He simply diminished. Physicians came and examined him and left with furrowed brows and nothing to offer. The days went on. He grew thinner. The court grew frightened.

When medicine failed, the advisors turned to divination. They summoned Abe no Yasuchika, an onmyoji - a court sorcerer trained in the reading of signs and the tracking of supernatural forces - who held a reputation for seeing what others could not. He was not a man who spoke carelessly. When he completed his readings and turned to face the assembled court, those present remembered the silence before he spoke.

He told them the illness had a source. It was inside the palace. It was Tamamo-no-Mae.

She was not a woman, he said. She was a kitsune - a fox spirit of considerable power - and she had been drawing the emperor’s strength into herself, steadily, the way a deep cold draws heat from a sleeping body.

The Ritual That Broke the Disguise

The court might have doubted him. Tamamo-no-Mae was gracious and calm; she had never shown anything but tenderness toward the emperor. But Abe no Yasuchika proposed a test, and Toba agreed to it.

A ceremony was arranged. The priests took their places and began the incantations - long, structured prayers built over centuries for exactly this purpose, designed to dissolve illusions and compel true form. Tamamo-no-Mae sat composed through the opening rites. Then something shifted in her face. The composure held a moment longer than it should have. Then it broke entirely.

Her human form did not simply vanish. It shimmered, faded, separated from itself - and from inside it came the fox. Nine tails. Fur the color of old gold. A body large enough that those nearest to her stepped back without meaning to. She held the form only a moment. Then she was through the doors and gone, out of the palace, into the open country beyond Heian-kyo.

The Hunt Across the Nasu Plain

Emperor Toba dispatched two warriors after her: Kazusa-no-suke and Miura-no-suke, chosen for their skill and their persistence. They rode out with hunters and dogs and traced the kitsune across the plain of Nasu.

Tamamo-no-Mae was not easy prey. She knew the land and she knew illusion, and for days she used both. The hunting party would close in and she would be elsewhere; they would find tracks and follow them and find nothing at the end. The plain was wide and the grass was tall and she was old in her powers.

But she had spent herself at court. The weeks of maintaining a human shape, the ritual that had torn the disguise away, the flight itself - these had cost her. On the Nasu plain, when the warriors finally cornered her, she had little left. She took her true form again, nine tails spreading wide. It was not enough. Kazusa-no-suke and Miura-no-suke loosed their arrows, and she fell in the long grass.

The Killing Stone

Death did not end it.

Whatever Tamamo-no-Mae had been - however old, however deep her roots in the spirit world - something of her persisted after the body was gone. It settled into a stone on the plain of Nasu, a grey rock that the locals soon learned to leave alone. They called it the Sessho-seki: the Killing Stone. Animals that wandered near it died. Birds that landed on it fell and did not rise. People who touched it were found dead beside it, and no explanation was needed. Everyone knew what lived inside.

The warriors had ended the fox, but the stone remained. Priests and monks over the generations performed rites around it, attempting to bind or appease the spirit within. The stone sat in the grass of Nasu, patient as stone is patient, killing whatever came close enough to touch it - the last form of a nine-tailed fox who had once sat in the imperial court and played music no one could fault, and glowed with a light that nobody thought to question.