Where Curses Really Come From —
the Goryō Behind Jujutsu Kaisen's Cursed Spirits
JJK's first idea is that curses are born from human emotion. Fans call it a clever premise. It's actually one of the oldest beliefs in Japanese religion — one that reshaped the imperial capital.

Jujutsu Kaisen gives you one idea in its very first minutes, and the whole series rests on it: curses are born from the negative emotions of human beings. Fear, resentment, grief — they pool in schools, in hospitals, in crowds, and they congeal into things that hunt.
Most fans assume that's a clever fantasy premise. It isn't. It's one of the oldest organizing beliefs in Japanese religion, and it was taken seriously enough to reshape the imperial capital. The Japanese called it Goryō shinkō (御霊信仰) — the belief in vengeful spirits.
What is a Goryō?
A goryō is the angry, wounded spirit of someone who died with a grievance — usually someone wronged, exiled, or destroyed unjustly. Left unanswered, that spirit was believed to return not as a personal haunting but as a public catastrophe: plague, drought, fire, lightning, the sudden deaths of the very people who wronged them.
This is the exact logic JJK runs on. Cursed spirits there are not random monsters; they are accumulated human negativity that has reached critical mass and turned hostile. The Heian court believed precisely this — that unaddressed injustice doesn't simply fade. It builds pressure until it discharges on everyone.
The man who became a curse — and then a god
The clearest case is real history. Sugawara no Michizane (845–903) was a brilliant scholar and statesman, slandered by rivals and exiled from the capital, where he died in disgrace. In the years after, the capital was struck by a cascade of disasters: plague, drought, the deaths of his accusers, and finally lightning striking the imperial palace itself.
The court read this exactly as their cosmology told them to: Michizane had become a goryō. Their response was not an exorcism to destroy him — it was enshrinement. They built Kitano Tenmangū in Kyoto, elevated him to a deity (Tenjin), and gave him worship. A wronged man became a curse, and the curse, once honored, became a god of scholarship that students still pray to today.
That arc — wronged human → vengeful spirit → enshrined deity — is the deepest pattern in Japanese spirituality, and it's the one pop culture almost never explains. JJK's Sukuna, its special-grade spirits, even the impulse to seal rather than destroy all descend from it.
Why didn't they just destroy the spirit?
Because the tradition understood something modern horror forgets: a curse is information, not just a threat. A goryō is a debt the living refused to pay. You cannot defeat a debt by force. You can only answer it.
So Japanese practice developed an entire grammar of appeasement, enshrinement, sealing, and re-direction — Onmyōdō rites, Buddhist memorial services, Shintō purification. The aim was rarely annihilation. It was to take a destructive current and give it a direction it could live with. That is the same truth running under all of this work: energy is not neutral, and the skilled response to a dark current is not to fight it head-on, but to turn it.
Why this matters to you
If you've ever felt a room go heavy for no reason, or a place that "didn't want you there," or grief in an old building that wasn't yours — you were reading the same field the Heian court legislated around. That sensitivity is not a malfunction. In the older world it was a job. The people who could feel where the pressure was building were the ones who kept the city safe.
You felt it as a child and were told it was nothing. JJK told you it was real. The tradition agrees with the anime, not with the people who talked you out of it.
Quick answers
Are curses real in Japanese belief?
Yes. Goryō shinkō — the belief that the wronged dead return as public calamity (plague, fire, lightning) — was a serious organizing belief in the Heian court, and it's the direct source of JJK's "curses from human emotion."
Who was Sugawara no Michizane?
A 9th-century scholar wrongly exiled, who died in disgrace; later disasters were read as his vengeful spirit (goryō). He was enshrined at Kitano Tenmangū and worshipped as the deity Tenjin.
Why enshrine a curse instead of destroying it?
Because a goryō represents an unanswered injustice. The tradition treats it as a debt to be honored and re-directed, not a monster to be annihilated.
Is this where JJK's cursed spirits come from?
Yes — the premise that accumulated human negativity becomes hostile spirits is Goryō belief in anime form.
The tradition that reads the field
Goryō belief, the grammar of sealing and re-direction, the sensitivity that was once a calling — they live on in Japanese shamanism. Begin at the source, and, if the anime spoke to you, with the community built for the anime generation.