Korean shamanism is known as Muism, and its practitioners are the mudang: women, and some men, who are called into the role through a spiritual illness, trained for years by a senior mudang, and who serve their community by letting gods and ancestors speak directly through them during a ceremony called a kut. It is one of the oldest continuous spiritual traditions in East Asia, and despite decades of suppression under three very different regimes, it is consulted, performed and watched by South Koreans today. Not as a museum piece, but as a living practice.
I want to say where I stand before I describe it. I am not Korean, and I was not trained in Muism. My own practice comes from a different branch of the same northern root: Mongolian and Siberian lineages, together with the Western core shamanism I teach through this site. What follows is an outside account of a tradition that deserves to be understood on its own terms, not folded into a generic idea of what shamanism is everywhere.
| Term | What it means |
|---|---|
| Muism | Korea’s indigenous shamanic religion, older than Buddhism or Confucianism on the peninsula |
| Mudang | The practitioner, usually a woman, who channels gods and ancestors directly |
| Kut | The ceremony itself: music, dance, offerings and possession, lasting hours or days |
| Shinbyeong | The “spirit sickness” that marks someone as called to the role |
| Gangshinmu / Sesummu | The two paths in: called by spirit possession, or inherited through a family line |
What is Muism, exactly?
Muism is Korea’s indigenous shamanic religion: an animistic tradition, older than the written history of the peninsula, built on the belief that gods, nature spirits and ancestors are active, reachable presences in daily life. Where many religions ask you to believe something, Muism asks the mudang to go and ask the spirits directly, and bring back an answer.
The word comes from mu, a Sino-Korean term the historian of religion Mircea Eliade placed within the wider family of North and Central Asian shamanism when he surveyed the field in the mid-twentieth century. That grouping is accurate as far as it goes. Korea shares a northern root with Siberia and Mongolia, the same part of the world the word “shaman” itself comes from (it is Evenki, a Tungusic language of Siberia). But Muism grew into its own religion with its own pantheon, its own ceremony and its own history, and treating it as a regional variant of Siberian practice misses most of what makes it distinct.
The Muism pantheon is large and practical rather than abstract. There are mountain gods, household gods, a god of childbirth, the Seven Star Spirits linked to fate and longevity, and historical figures who were deified after death, including generals and kings. A mudang does not work with all of them equally. Each has her own particular gods, met during her initiation, who speak through her for the rest of her working life.
How is someone called to become a mudang?
Almost nobody chooses to become a mudang. Most are called through shinbyeong, a spirit sickness that arrives as physical and mental illness with no medical explanation: loss of appetite, insomnia, visions, a sense of being pursued by something that will not name itself. Korean medicine has no cure for it, because the only cure recognised within the tradition is to accept the calling and undergo initiation.
The initiation ceremony is called naerim-gut. A senior mudang guides the candidate through a ritual in which her possessing god is identified and formally welcomed, and the illness lifts once that happens. This path into the role, through spirit possession, is called gangshinmu, and it is more common in central and northern Korea.
A second, older path exists mainly in the south, particularly the historic region of Jeolla: sesummu, a hereditary line of priestesses who inherit the role through family rather than through a possessing illness. Sesummu were historically seen as ritual specialists serving their community first, closer to priestesses than to the ecstatic, possession-driven gangshinmu of the north. The anthropologist Laurel Kendall documented both paths closely in her fieldwork among Korean shamans and their communities, and her work remains one of the clearest outside accounts of how the role is actually lived, not just performed.
What happens during a kut?
A kut is a ceremony, not a service booked over the phone and then forgotten. It is commissioned by a family for a specific need: healing an illness, lifting bad luck, settling a troubled ghost, or guiding a recently dead relative’s soul safely into the next world, a particular form called jinogwi-gut.
The mudang changes costume several times through the ceremony, a different brightly coloured robe for each god she channels, because the robe signals to everyone present, including her, which deity has arrived. A small ensemble, drums, gongs and cymbals in the traditional samul style, drives the rhythm that carries her into trance. She dances, and once possessed, she speaks and moves as the god, often addressing the family by name, scolding, blessing or weeping as the situation calls for it. In the most dramatic regional traditions, particularly in Hwanghae-do style kut, a mudang may dance on the blades of knives or a chopping block as visible proof that the possession is real and the god is present.
Offerings surround all of it: rice cakes, fruit, rice wine, sometimes a whole pig. A kut can run for a few hours or stretch across several days, depending on what the family has asked for and how clearly the gods choose to speak. It is loud, physical and unmistakably alive. Nobody sits quietly in rows.
How did Muism survive being suppressed three times?
Muism predates both Buddhism, which arrived in Korea in the fourth century, and the Confucianism that later dominated the Joseon dynasty. It did not disappear when either arrived. It was pushed down hard, three separate times, and came back from each.
Under the Confucian Joseon dynasty, mudang were classified among the lowest social castes and at times banned from living inside city walls, treated as a necessary embarrassment rather than a respected practice. Japanese colonial rule in the twentieth century dismissed Muism as primitive superstition standing in the way of modernisation and tried to suppress it directly. Then, after independence, Korea’s own rapid industrialisation and the spread of Christianity did more lasting damage than either empire: an entire generation grew up being told that consulting a mudang was something only their grandmothers still did.
The turn came from an unexpected direction: the search for a Korean cultural identity distinct from both its colonisers and its new global economy. From the 1970s and 80s, folklorists and the Korean government itself began recognising specific kut ceremonies as Intangible Cultural Heritage, worth preserving rather than hiding. Jindo Ssitgimgut, a kut from Jindo Island built around cleansing the dead, and the Jeju Chilmeoridang Yeongdeunggut, honouring the island’s wind goddess, now carry UNESCO recognition. A practice once punished as backward is now protected as a national treasure.
Where can you still see Korean shamanism today?
Muism is not reenactment. It is practised daily, mostly out of public view. But there are places where the tradition is visible without turning someone’s healing ceremony into a spectacle.
Guksadang, a shrine on Inwangsan mountain in Seoul, has been a site of shamanic ritual for centuries and remains active today. The National Gugak Center and similar cultural institutions in Seoul periodically stage kut performances specifically framed as cultural heritage rather than private ceremony, which is the respectful way for an outside visitor to witness one. Away from ceremony itself, fortune tellers and mudang still practise in dedicated neighbourhoods of Seoul, consulted by people before exams, business decisions, marriages and difficult medical news, in numbers that would surprise anyone who assumes this is a vanished folk custom.
What I would gently discourage is treating a private healing kut as entertainment to watch from the sidelines. It is someone’s family crisis or celebration, running on a logic that is not there for an audience’s benefit.
How does Korean shamanism compare with the tradition I practise?
The honest answer is that it looks quite different from what I do, and the difference is worth naming because it clarifies something about shamanism generally that gets blurred too often. A shamanic journey is not the same thing as channelling: in a journey, the practitioner stays entirely themselves, travels, remembers, and reports back afterwards. Muism sits much further over on the possession side of that line. The mudang’s own self recedes, often completely, and the god speaks and moves through her directly. Those are two different ways of reaching the same practical goal: bringing something back from beyond the ordinary to help a person who needs it.
What I recognise immediately, even across that difference, is the drum-driven trance, the layered world of spirits tied to specific places and ancestors, and the plain fact that none of this is about the practitioner’s own comfort. A mudang does not perform a kut for herself. Neither, properly done, does anyone trained in my own lineage. That part of the inheritance seems to run through the whole northern family of practice, Siberia, Mongolia and Korea alike, whatever shape it takes once it reaches the surface.
If what draws you here is the drum and the trance rather than the possession, core shamanic journeying is the gentler doorway into related territory, and the Elements of Shamanism training is where I walk people through it from the beginning. For the wider picture of how Muism fits among the world’s other living traditions, I have mapped that out in Shamanism Was Never One Thing.
Frequently asked questions about Korean shamanism
No, though they share a common northern root. Muism grew into its own religion with its own pantheon, its own ceremony and its own history on the Korean peninsula, distinct from the drum-journeying traditions of Siberia and Mongolia, even though scholars group all three under the wider umbrella of North Asian shamanism.
A mudang is hired by a family to perform a kut for a specific need: healing an unexplained illness, reversing bad luck, calming a troubled spirit, or guiding a recently deceased relative into the afterlife. During the ceremony she is possessed by specific gods who speak and act through her to address that need directly.
Watching is possible at ceremonies staged as cultural performances, for instance through Korean cultural centres, but a private healing kut is a family’s ritual, not a show, and deserves the same respect you would bring to someone else’s funeral or ordination.
It was pushed down three times for three different reasons: by Confucian social hierarchy during the Joseon dynasty, by Japanese colonial policy that labelled it superstition, and by Korea’s own rapid modernisation and Christianisation in the twentieth century. It survived through private practice and returned to public life once Koreans began looking for cultural roots distinct from all three.
It is generally treated as an indigenous folk religion rather than an organised one with a single doctrine. It has no central authority or shared scripture, but specific kut ceremonies now hold official status as Intangible Cultural Heritage, a form of recognition most folk practices never receive.
About the author. Carolin Mallmann is a shamanic practitioner and teacher and the founder of One Shamanism. She trained in Mongolian and Siberian lineages and in Core Shamanism with the Foundation for Shamanic Studies, and teaches practitioners internationally.
Shamanic work supports, but does not replace, medical or psychological treatment.
