KAMUI & KAMI | ANAKI77

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The Ainu

The Ainu, the indigenous people of Japan, have a distinct culture, language, and history that set them apart from the dominant Japanese population. Historically inhabiting Hokkaido, Sakhalin, the Kuril Islands, and parts of northern Honshu, the Ainu lived as hunters, gatherers, and fishers, deeply connected to nature.

The origins of the Ainu trace back thousands of years, with connections to the Jomon culture, one of Japan’s earliest civilizations. Archaeological evidence suggests that the Ainu inherited elements of Jomon life, including their subsistence strategies and spiritual practices.

The Ainu maintained an independent existence until Japan’s expansion into Hokkaido during the Edo period (1603–1868). As Japanese influence grew, the Ainu faced forced assimilation, loss of land, and cultural suppression. Despite these challenges, the Ainu identity endured, and efforts to revitalize their culture have gained momentum in recent years.

Despite centuries of marginalization and cultural suppression, the Ainu have preserved many aspects of their traditions. This guide explores the rich heritage of the Ainu, including their social organization, spiritual practices, and cultural contributions, shedding light on their enduring legacy in Japan.

Ainu Cosmology

Ainu cosmology consists of three realms:

Kamui moshir (the world of the gods/spirits): This is where the kamui reside and govern the natural world.
Ainu moshir (the world of humans): The earthly realm where humans live and interact with the physical manifestations of the kamui.
Yanukara moshir (the world of the dead): This is where human spirits go after death.

The Ainu believe that the barrier between these worlds is thin, and through their rituals, they can communicate and interact with the kamui to maintain harmony between the spiritual and physical realms.

The Concept of Kamui (Spirits)

At the heart of Ainu spirituality is the concept of Kamui, which refers to the spirits or deities that inhabit everything in the world. These spirits are believed to control the forces of nature, and each kamui is associated with specific natural elements or objects.

There are several types of Kamui, each associated with different aspects of life and nature:

Animal Kamui: Spirits that reside in animals, such as the bear (Ikor), salmon (Sikuh), fox and deer.
Plant Kamui: Spirits linked to plants and trees, believed to provide sustenance and healing.
Elemental Kamui: Spirits associated with natural elements, such as wind, water, fire, and earth.
Pakor Kamui: The god of mountains, who governs the mountains and all living creatures within them, especially wild animals like deer and bears, which the Ainu hunt for food.
Toyokap Kamui: The god of the sea, responsible for providing marine resources such as fish and seals, which are essential to the Ainu diet.
Kimun Kamui: The god of bears, one of the most important deities in Ainu belief. Bears are seen as powerful spiritual beings, and their presence is highly respected.
Kamui Fuchi: The goddess of the hearth, who is central to Ainu household rituals and prayers. She is the guardian of the home and the family, providing protection and blessings.

The Ainu believe that when an animal, plant, or object “dies” or is no longer useful, its spirit returns to the spirit world. However, before the spirit departs, it must be honored with offerings and rituals to ensure that it will return to bless the Ainu people again in the future.

The Role of Nature in Ainu Beliefs

Nature is at the core of Ainu spirituality. The Ainu people believe that they are stewards of the land and have a responsibility to live in harmony with the natural world. Unlike many modern societies that seek to dominate or exploit nature, the Ainu see themselves as part of the natural environment, with their survival intricately linked to their relationship with the spirits of the land, sea, and sky.

This respect for nature is reflected in their hunting practices, as the Ainu believe in hunting only what is needed for survival, and they always give thanks to the spirit of the animal for providing sustenance. Overhunting or killing for sport is seen as an offense to the kamuy and disrupts the balance of nature.

The Ainu Creation Mythology

The Ainu legend goes that at the beginning of the world, there was only water and earth mixed together in a sludge. Nothing existed except for the thunder demons in the clouds and the first self created kamui. The first kamuy then sent down a bird spirit, moshiri-kor-kamui, to make the world habitable. The water wagtail bird saw the swampy state of the earth and flew over the waters, and pounded down the earth with its feet and tail. After much work, areas of dry land appeared, seeming to float above the waters that surrounded them. Thus, the Ainu refer to the world as moshiri, meaning "floating earth". The wagtail is also a revered bird due to this legend.

Ape-Kamui

Once the earth was formed, the first kamui, otherwise known as kanto-kor-kamuy, the heavenly spirit, sent other kamui to the earth. Of these kamui was ape-kamui (see also kamui-huchi, ape huchi), the fire spirit. Ape-kamui was the most important spirit, ruling over nusa-kor-kamui (ceremonial altar spirit), ram-nusa-kor-kamui (low ceremonial altar spirit), hasinaw-kor-kamui (hunting spirit), and wakka-us-kamui (water spirit). As the most important kamui, ape-kamui's permission/assistance is needed for prayers and ceremonies. She is the connection between humans and the other spirits and deities, and gives the prayers of the people to the proper spirits.

"Sending-back" Rituals

The Ainu have rituals in which they "send back" the kamui to the heavens with gifts. There are various rituals of this type, including the iomante, the bear ceremony. The rituals center around the idea of releasing the kamui from their disguises, their hayopke, that they have put on to visit the human world in order to receive gifts from the humans. The kamui in their hayopke choose the hunter that will hunt them, giving them the flesh of the animal in turn. Once the hayopke is broken, the kamui are free to return to their world with the gifts from the humans.

Iomante

The iomante (also spelled iyomante) is a ritual in which the people "send-off" the guest, the bear spirit, back to its home in the heavens. A bear is raised by the ritual master's wife from a cub. When it is time for the ritual, the men create prayer sticks (inau) for the altar (nusa-san), ceremonial arrows, liquor, and gifts for the spirit in order to prepare for the ritual. Prayers are then offered to ape-kamui, and dances, songs, and yukar are performed.

The main part of the ritual is performed the next day, taking place at a ritual space by the altar outside. Prayers are offered to various kamui, and then the bear is taken out of its cage with a rope around its neck. There is dancing and singing around the bear, and the bear is given food and a prayer. The men shoot the ceremonial decorated arrows at the bear, and the ritual master shoots the fatal arrow as the women cry for the bear. The bear is strangled with sticks and then taken to the altar where the people give gifts to the dead bear and pray to the kamuy again. The bear is dismembered, and the head brought inside. There is a feast with the bear's boiled flesh, with performances of yukar, dances, and songs.

On the third and final day of the ritual, the bear's head is skinned and decorated with inau and gifts. It is then put on a y-shaped stick and turned to face the mountains in the east. This part of the ritual is to send the bear off to the mountains. After another feast, the skull is turned back towards the village to symbolize the kamui's return to its world.

Major Deities in Ainu Mythology

The major deities in Ainu mythology are known as Kamui. They hold significant influence and power over various aspects of life. The Kamui are categorized into different groups. Each group of deities plays a vital role in maintaining balance and harmony in the world.

Kamui: Gods of the Natural World

The Kamui of the Natural World embody the forces of nature, such as rivers, lakes, trees, and animals. They are revered as guardians and protectors of the environment, representing the interconnectedness between humans and the natural world.

Kanno-Kamui: Gods of the Sky and Weather

Kanno-Kamui are the deities associated with the sky, weather phenomena, and celestial bodies. They control elements like wind, rain, thunder, and lightning, playing a vital role in shaping the weather patterns and influencing agricultural practices.

Kim-un-Kamui: Gods of the Mountains and Forests

Kim-un-Kamui are the gods of mountains and forests, representing the sacredness and spirit of these earthly realms. They are often associated with hunting, gathering, and the abundance of natural resources found within these environments.

Kamui-Fuchi: Goddesses of Hearth and Household

Kamui-Fuchi are the goddesses of the hearth and household. They are responsible for protecting the homes and ensuring the well-being of individuals and families. These goddesses are invoked during rituals for blessings, fertility, and domestic harmony.

Lesser Deities and Spirits in Ainu Mythology

In addition to the major deities, Ainu mythology also includes numerous lesser deities and spirits. These beings have specific domains and roles, such as guardian spirits of specific animals, plants, or natural phenomena.

They are considered important mediators between humans and the divine realm.

Other Notable Kamui

Ae-oina-kamui, a culture hero who taught humans the domesticated and sacred arts
Kotan-kar-kamui, god of creation
Tokapcup-kamui, the goddess of the sun
Kunnecup-kamui, the god of the moon
Mosirkara-kamui, creator of the earth
Repun-kamui, the killer whale, the god of the sea
Waka-ush-kamui, the goddess of fresh water
Kandakoro-kamui, the prime originator, the god of the sky
Kanna-kamui, the god of thunder and lightning
Shiramba-kamui, the god of wood, grains, and vegetation
Kim-un-kamui, the god of mountains and bears
Apasam-kamui, the god of the threshold
Hoyau-kamui, dragon god
Cikap-kamui/Kotan-kor-kamui, the god of owls and the land
Cironnup-kamui, god of foxes
Kina-sut-kamui, the god of snakes
Yushkep-kamui, the goddess of spides
Hasinaw-uk-kamui, goddess of the hunt
Kamui-huci, the goddess of the hearth
Nusa-kor-kamui, messenger to the gods and representative of the dead
Pauchi-kamui, an evil spirit responsible for insanity
Kenas-unarpe, a blood-drinking monster who preys upon hunters
Sarorun-kamui, the god of the marshes. The personification of the red-crowned crane (Grus japonensis), which lives in the wetland habitats of east Hokkaido and southern Sakhalin. Other species of resident and migratory birds are also given the name Kamui.

Shinto

Shinto, indigenous religious beliefs and practices of Japan. The word Shinto, which literally means “the way of kami” (meaning divinity, and can also refer to the various gods or deities).

Kami (Japanese: 神) are the deities, divinities, spirits, mythological, spiritual, or natural phenomena that are venerated in the traditional Shinto religion of Japan. Kami can be elements of the landscape, forces of nature, beings and the qualities that these beings express, and/or the spirits of venerated dead people. Many kami are considered the ancient ancestors of entire clans (some ancestors became kami upon their death if they were able to embody the values and virtues of kami in life).

In Shinto, kami are not separate from nature, but are of nature, possessing positive and negative characteristics. They are manifestations of musubi (結び), the interconnecting energy of the universe, and are considered exemplary of what humanity should strive towards. Kami are believed to be "hidden" from this world, and inhabit a complementary existence that mirrors our own: shinkai (神界, "the world of the kami"). To be in harmony with the awe-inspiring aspects of nature is to be conscious of kannagara no michi (随神の道 or 惟神の道, "the way of the kami").

In ancient animistic Japanese belief, kami were understood as simply the divine forces of nature. Worshippers in ancient Japan revered kami of nature which exhibited a particular beauty and power such as ghosts, the ocean, the sun, waterfalls, mountains, boulders, animals, trees, grasses, rice paddies, thunder, echoes, foxes and fox spirits, and Asian dragons. They strongly believed the spirits or resident kami deserved respect.

Some etymological suggestions are:

Kami may, at its root, simply mean spirit, or an aspect of spirituality. It is written with the kanji 神, Sino-Japanese reading shin or jin. In Chinese, the character means deity or spirit.
In the Ainu language, the word kamui refers to an animistic concept very similar to Japanese kami. The matter of the words' origins is still a subject of debate; but it is generally suggested that the word kami was derived from Ainu word kamui.

Amatsukami and Kunitsukami are categories of kami in Japanese mythology. Amatsugami are also called Tenjin, and Kunitsukami are called Chigi (地祇). Some people believe that the names "Tenjin Chigi (天神地祇)" and "Jingi (神祇)" are derived from the Chinese classics.

Amatsugami is a generic term for the gods in Takamagahara or those who descended from Tenson-kōrin, while Kunitsugami is a generic term for the gods who appeared on the earth (Ashihara no Nakatsukuni).

In Japanese mythology, the acceptance of the transfer of the land (Ashihara no Nakatsukuni) by the Kunitsugami to the Amatsu deities led by Ninigi is described as Kuni Yuzuri. It is thought that the deity worshipped by the people of the region (Emishi, Hayato, etc.) who were pacified by the Yamato Kingship became the Kunitsugami, and the deity worshipped by the imperial family and powerful clans of the Yamato Kingship became the Amatsukami. Many of the original traditions of the Kunitsugami were altered when they were incorporated into the Chronicles, and many of them have not survived. The Chronicles of Japan cites certain passages (e.g., "Ichi Sho Saying" and "Aru Hon Yun" in most volumes of the Nihon Shoki), but the original recorded documents have been lost in later generations.

Another similar concept is Tenchi Shinmei. 天地神明 (Tenchi-Shinmei) is a Japanese four-character idiom that refers to the gods of heaven and earth. It is used in expressions such as "I swear by the gods of heaven and earth" and conveys a sense of reverence and commitment. The origins of the term can be traced back to ancient Chinese classical texts, where the expression "天地" (Tenchi) and "神明" (Shinmei) were often used together to refer to the gods of heaven and earth, or to the gods and the universe as a whole. However, there are also instances where the expression was used to refer specifically to the gods of heaven and earth. In Japan, the term 天地神明 has been in use for centuries and is often associated with the image of the numerous gods and deities that have been worshipped in Japanese folklore and mythology.

Onmyodo (陰陽道)

Onmyodo, “the Way of Yin and Yang”, was a Japanese system of cosmology, divination, calendrical science, astrology, ritual, and protective magic. It developed from Chinese intellectual traditions (道家)—especially yin-yang theory (yin-yang) and the Five Phases (wu-xing)—but was gradually transformed into something distinctly Japanese.

If Shugendo is particularly concerned with spiritual cultivation through mountains and bodily austerity, Onmyodo is more concerned with understanding and managing the invisible patterns believed to govern the world.

Onmyodo begins with the idea that the universe is structured by interacting forces.

The most important are:

Yin and yang (in-yo / 陰陽) — complementary forces such as dark/light, passive/active, cold/hot, interior/exterior.
The Five Phases (go-gyo / 五行) — wood, fire, earth, metal, and water.
The movements of the heavens — the sun, moon, planets, stars, and celestial cycles.
Time and direction — particular days, hours, and directions could be auspicious or dangerous.
Kami and spirits — supernatural beings could influence human affairs and the natural environment.

The important point is that these weren't necessarily separate systems. They could be integrated into a single model for interpreting reality.

It is not a matter of simple divination, but rather:

“Given the configuration of time, direction, celestial influences, calendrical cycles, and spiritual conditions, what activities are appropriate tomorrow?”

That makes Onmyodo partly a system of cosmic scheduling.

Kyoto (京都)

The capital, Kyoto, was itself conceived through cosmological principles.Urban orientation, palace organization, mountains, rivers, and directions could all be interpreted within broader Chinese-derived cosmological frameworks.

The aristocratic world described in works such as The Tale of Genji existed in a society where people could be deeply concerned about:

unlucky days
unlucky directions
eclipses
ghosts
pollution
curses
spirit possession
unusual celestial phenomena.

Thus the Onmyoji become indispensable advisers to elites.

The Onmyoryo (陰陽寮)

Onmyodo wasn't originally simply folk magic.

It was connected to the Onmyoryo (陰陽寮), a government bureau established within the Japanese imperial administrative system.

The bureau dealt with things such as:

calendars
astronomy
timekeeping
divination
geomancy
interpretation of celestial phenomena

This tells us how the ancient Japanese society understood the relationship between government and the cosmos.

The heavens weren't merely a distant physical environment.
Celestial anomalies could potentially have political and religious significance.
An unusual eclipse, comet, or planetary configuration might be interpreted as a sign that something was wrong in the relationship between ruler, society, and cosmos.

Thus, controlling calendrical and divinatory knowledge could itself be a form of political authority.

The Onmyoji (陰陽師)

The practitioners of Onmyodo were called onmyoji (陰陽師).

Their responsibilities could include:

calendrical calculation
astronomy and astrology
divination
determining auspicious dates
determining auspicious directions
interpreting unusual natural phenomena
rituals for protection
purification
warding off harmful influences
diagnosing supernatural disturbances
conducting court rituals

They were especially important during the Heian period (794–1185).

The most famous historical figure associated with Onmyodo is Abe no Seimei (921–1005).

Seimei became so famous that historical reputation eventually merged with legend, transforming him into the quintessential Japanese onmyoji.

Abe no Seimei (安倍晴明)

Abe no Seimei is probably the single most famous name associated with Onmyodo.

Historically, he was an aristocratic specialist in calendrical science, astrology, divination, and ritual during the Heian period.

After his death, his reputation expanded dramatically. He became portrayed as someone who could:

communicate with spirits,
detect supernatural threats,
command shikigami,
predict events,
perform extraordinary divinations,
defeat rival practitioners.

The legendary Seimei is therefore partly a historical person and partly a mythological archetype of the perfect onmyoji.

His association with the Seimei Shrine in Kyoto remains particularly important to his modern cultural image.

Spiritual Corruption

Onmyodo eventually became heavily associated with supernatural danger. One particularly important concept is kegare (穢れ), often translated as spiritual corruption, pollution, or impurity.

Something could be spiritually disruptive because of:

death
blood
disease
certain natural events
contact with polluted places
other forms of ritual contamination.

Purification therefore became extremely important.

Onmyoji could perform rituals intended to restore the proper relationship between human beings and the surrounding cosmic/spiritual environment.

Goryo (御霊)

One of the most dramatic aspects of medieval Japanese religious culture was the fear of goryo—vengeful or malignant spirits, particularly spirits of people who had died under unfortunate circumstances.

The underlying logic was psychologically and socially powerful. Imagine a powerful courtier dies after being politically defeated. If strange things subsequently happen—illness, storms, deaths, crop failures, political disasters—the explanation might be: His spirit is angry.

Rather than simply “destroying” the spirit, one might try to pacify and ritually appease it.

This contributed to the development of traditions surrounding famous historical figures such as Sugawara no Michizane, whose posthumous reputation became associated with thunder, disaster, and divine transformation.

The boundary between “god,” “ghost,” “spirit,” and “human ancestor” could be considerably more fluid than modern Western categories suggest.

Shikigami (式神)

Modern popular culture often depicts onmyoji commanding supernatural creatures called shikigami (式神). This has genuine roots in Onmyodo, although popular culture has dramatically expanded and simplified the concept. Shikigami were understood as spiritual entities associated with ritual techniques and the authority of the practitioner.

A famous legendary association is again Abe no Seimei, who supposedly possessed extraordinary control over such spirits. His feats was often found in novels, manga, movies, and even video games.

Historically, however, the concept belongs to a much more complicated world of ritual authority, spirits, divination, and esoteric practice.

Time

One of the most fascinating aspects of Onmyodo is its treatment of time.

Modern people generally think of a calendar as neutral:

Onmyodo could instead understand time as having qualities.

A particular day might be:

favorable for a wedding,
unfavorable for travel,
dangerous for entering a particular direction,
suitable for a particular ritual,
inappropriate for beginning construction.

The calendar consequently became something like a map of invisible conditions.

This is one reason traditional Japanese calendars contained much more information than simply dates and months.

Direction

Onmyodo also developed elaborate ideas about dangerous and auspicious directions.

One famous concept is katatagae (方違え), often translated as “directional avoidance” or “directional change.”

Suppose a person needed to travel north.

If north was considered inauspicious on that particular occasion, they might avoid traveling directly north.

Instead, they could first travel in another direction and stay somewhere overnight, then proceed toward the original destination.

The logic is fascinating:

The destination hasn't changed.
The route has changed because the cosmic configuration has changed.
Space becomes dynamic rather than fixed.
A direction can effectively become temporarily dangerous.

The 5 Phases (五行)

Often mistranslated as the 5 Elements, these aren't exactly “elements” in the modern sense. It's more of the qualities that they represent.

The Five Phases are:

Wood: growth, spring, east
Fire: heat, summer, south
Earth: stability, transition, center
Metal: contraction, autumn, west
Water: cold, winter, north

Phase is actually a better translation because they describe processes and relationships, rather than five physical substances.

The phases interact through cycles of generation and overcoming.

This gives the practitioner a framework for understanding relationships between:

Time + Direction + Season + Celestial phenomena + Human activity.

Astrology

Onmyodo incorporated Chinese astronomical and astrological traditions. The heavens were regarded as meaningful. Stars and planets could have symbolic or prognostic significance, and celestial phenomena could potentially indicate disturbances in the terrestrial realm.

One particularly important concept was the North Star / Pole Star, which had enormous cosmological significance in East Asian religious thought. The night sky wasn't merely something to observe. It was a cosmic text. The skilled practitioner learned to interpret it.

Onmyodo wasn't simply “Japanese witchcraft”. This distinction is important.

Calling Onmyodo “Japanese magic” isn't completely wrong, but it misses its intellectual complexity.

Onmyodo incorporated:

Mathematics + Astronomy + Calendrical science + Cosmology + Divination + Ritual + Political administration + Spiritual ideas.

The boundaries between these categories were very different from modern ones. For a premodern scholar, calculating an eclipse, selecting an auspicious date, interpreting an omen, and performing a ritual weren't necessarily unrelated activities. They could all belong to the broader project of understanding cosmic order.

Onmyodo represents a fundamentally different conception of causality.

Modern scientific thinking tends to separate phenomena into categories:

astronomy → physics
weather → meteorology
disease → medicine
politics → political science
religion → theology

The Onmyodo worldview could instead imagine these things as interconnected manifestations of a single cosmic order. A comet isn't merely a rock passing through space. A strange illness isn't necessarily merely a biological event. An unlucky direction isn't merely a direction.

A disturbing political event might correspond to a disturbance in the moral and cosmic order. So the onmyoji's fundamental task was to read the relationship between heaven, earth, time, space, spirits, and human society—and then act appropriately within that relationship.

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Hyakki-Yagyo (百鬼夜行)

Hyakki-Yagyo is a famous concept in Japanese folklore that literally translates to “Night Parade of One Hundred Demons.” It describes a supernatural procession in which countless yokai (妖怪)—Japanese spirits, monsters, and strange supernatural beings—roam through the night.

But Hyakki-Yagyo is more than a parade of monsters. It sits at the intersection of Japanese mythology about the boundary between the human world and the supernatural. It is both fascinating and unsettling: when the human world falls asleep, another world comes alive.

The procession is not necessarily made up of evil demons. It can include ghosts, animal spirits, monsters, strange apparitions, and even everyday objects transformed into supernatural beings.

Night is central to the atmosphere and meaning of Hyakki-Yagyo. In traditional Japanese stories, darkness often marks a boundary between the visible world of human beings and the invisible world of spirits. Familiar roads become strange, ordinary sounds become threatening, and places that seem safe during the day can feel dangerous after sunset.

Some historical accounts also associated particular calendar days with the demons' procession and warned people against encountering it. In these stories, seeing the parade could mean death or catastrophe. These were elements of folklore, not a universally consistent set of beliefs.

Chimimoryo (魑魅魍魎)

Chimimoryo is a term that refers to monsters of the mountains and monsters of the rivers. The term originated in China roughly 2,500 years ago in ancient chronicles such as the Zuo Zhuan. It originates from ancient Chinese legends about the spirits that harm people in the mountains and swamps, and its original meaning is "all kinds of YaoGuai (demons and spirits)".

Mononoke (物の怪)

Mononoke can be vengeful spirits (onryō), dead spirits (shiryō), live spirits (ikiryō) in Japanese classical literature and folk religion that were said to do things like possess individuals and make them suffer, cause disease, or even cause death. It is also a word sometimes used to refer to yōkai or henge ("changed beings").

Here are some creatures associated with the wider yokai tradition:

Nurarihyon (滑瓢)

Nurarihyon is a mysterious yokai in Japanese folklore. He is widely portrayed in modern Japanese popular culture as the Supreme Commander of the Yokai, or the Yokai no Sodaisho (妖怪の総大将).

What makes Nurarihyon particularly fascinating is that he is not necessarily a terrifying monster who attacks people. Nurarihyon's appearance is distinctive, even among the hundreds of creatures in Japanese folklore.

Enlarged, elongated head: His most recognizable feature is a bald head shaped somewhat like a gourd, giving him an unusual silhouette.
Elderly human appearance, like a dignified old man rather than a conventional monster.
Often dressed in an elegant kimono, sometimes with a formal haori jacket.
Calm demeanor, typically depicted as composed, unhurried, and self-assured rather than aggressive.
An air of authority: In contemporary depictions, his expression and posture suggest someone accustomed to being obeyed.
He appears without invitation. While a household is occupied with its usual activities, an elderly man quietly enters.
He makes himself comfortable. He behaves as though he owns the place, and enjoys its hospitality.
The residents fail to challenge him. His presence seems so natural that nobody thinks to question why he is there.
He leaves without consequence. After enjoying the hospitality, he departs as quietly as he arrived.

Oni (鬼)

Oni are often depicted as powerful, horned ogresm often wielding heavy clubs called kanabo.

Otakemaru (大嶽丸)

Otakemaru, also known as The Great Demon King (鬼神魔王) is a figure in Japanese folklore. He is one of the Great Three Evil Yokai of Japan, alongside Shuten-doji and Tamamo-no-Mae. Otakemaru possessed great strength and resilience, able to summon magical blades, capable of summoning lightning storms and creating dark clouds that covered Suzuka Mountain and rained fire.

Otakemaru resided on Suzuka Mountain, a connection of mountains and ravines bordering the Ise and Omi countries. He lived during the reign of Emperor Kanmu (781-806) and was one of the chief enemies of Shogun Sakano-ue no Tamuramaro. Otakemaru ultimately decapitated by Tamuramaro with the sacred sword Sohaya-no-Tsurugi, during his oni extermination campaign, aided by the divine maiden Suzuka Gozen.

Shuten-doji (酒呑童子)

Shuten-doji is one of the Great Three Evil Yokai of Japan, alongside Otakemaru and Tamamo-no-Mae.

Shuten-doji had his lair at Mount Oe (大江山) northwest of the city of Kyoto.

When young women begin disappearing from the capital, the kidnappings were traced to the oni living on Mount Oe.

Minamoto no Yorimitsu (源頼光), also known as Minamoto no Raiko, was ordered to destroy them.

In the oldest text (Oeyama Ekotoba or Oeyama Emaki) version, the legend can be summarized as follows:

[During the reign of Emperor Ichijo (986–1011), a large number of missing people were being reported in the capital city of Kyoto, most of the victims being young women. Abe no Seimei, the famous onmyoji of the imperial court, determines that the oni-king of Mt. Oe (later identified as Shuten-doji) was responsible for the abductions. The Emperor then commanded Minamoto no Raiko and Fujiwara no Hosho (Fujiwara no Yasumasa) to exterminate this demon. Raiko had his four lieutenants called the Shiteno, while Hosho had only the junior secretary (shogen) of Dazaifu to assist them. The party left Kyoto in the year 995.]

Minamoto no Raiko’s Four Heavenly Kings (源頼光四天王):
- Watanabe no Tsuna (渡辺綱)
- Sakata no Kintoki (坂田金時)
- Usui Sadamitsu (碓井貞光)
- Urabe no Suetake (卜部季武)

Shuten-doji's Four Heavenly Kings (酒呑童子四天王)::

Hoshikuma-doji (星熊童子)
Kuma-doji (熊童子)
Torakuma-doji (虎熊童子)
Kanekuma-doji (金熊童子)

Rather than attacking the fortress directly, the warriors disguised themselves as yamabushi. On the way to Mount Oe, the warriors obtained supernatural sake from protective deities. The drink strengthens humans but weakens oni.

The party infiltrated the fortress and offered the sake to the oni. Shuten-doji, who had a weakness for sake, fell for the trick. In their weakened state, Shuten-doji was killed by Raiko. Although decapitated, the demon's detached head flew into the air and tried to take a bite at Raiko, who narrowly escaped death as he had an extra helmet attached to his armour.

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Ibaraki-doji (茨木童子)

Ibaraki-doji was a fearsome oni, and also the most important servant of Shuten-doji. To Shuten-doji, Ibaraki-doji was more like a friend than his personal assistant.

At Rashomon, Ibaraki-doji encountered Watanabe no Tsuna. In the battle, Tsuna managed to cut off Ibaraki's arm. Ibaraki-doji fled but later returned in disguise to recover the severed arm.

During the oni extermination campaign at Mount Oe, Ibaraki-doji fled after Shuten-doji was killed, thus being the sole survivor of the massacre.

Kitsune (狐)

Originally a guardian spirit linked to the full moon, the Kitsune later degenerated to the level of yokai in later folklore.

Yoko (妖狐)

Kitsune are foxes with supernatural powers, Kitsune can possess high levels of intelligence, magical abilities, and the power to transform themselves into humans.

Kyubi no Kitsune (九尾の狐)

A fox spirit that accumulates extraordinary spiritual power, develops multiple tails, and may possess the ability to shapeshift, manipulate human perception, and live for centuries.

The tails are visible signs of the fox's supernatural development. A common kitsune would need 1000 years of spiritual cultivation to develop 9 tails. The nine-tailed form is far more powerful than an ordinary fox spirit. 九尾の狐 describes not merely a fox with nine tails, but a fox of extraordinary spiritual status.

In China, the nine-tailed fox appears in the ancient Classic of Mountains and Seas (山海经, Shānhǎi Jīng). Its early portrayals include a strange, dangerous beast, while other Chinese traditions associate the nine-tailed fox with auspiciousness and extraordinary power.

It is also linked to the downfall of the Shang dynasty, in the form of Daji, empress to the King Yin Shang.

Powers and abilities of the 九尾の狐:

Shapeshifting (変化, Henge)

The ability to take human form, often appearing as a beautiful woman or a refined man. This is one of the defining features of kitsune folklore.

Illusion and deception (幻術, Genjutsu)

The fox may create false appearances, manipulate what people perceive, or lead travelers astray. Modern fiction often expands this into elaborate magical illusions.

Foxfire (狐火, Kitsunebi)

Strange lights associated with fox spirits. In folklore, they may appear as mysterious flames or lights at night. Fiction frequently turns them into controllable magical fire.

Immense spiritual power

An exceptionally powerful fox may possess longevity, supernatural knowledge, and influence over humans. The nine tails visually communicate its extraordinary status.

Enchantment, hypnosis, possession and spiritual influence

Some fox legends describe spirits entering or influencing human beings. This can be interpreted as malicious possession, enchantment, or an encounter with a force beyond human understanding.

Tamamo-no-Mae (玉藻の前)

The best-known Japanese nine-tailed fox story revolves around Tamamo-no-Mae, a legendary woman whose extraordinary beauty and intelligence conceal a terrifying supernatural identity. The mysterious court lady Tamamo-no-Mae appears at the imperial court and becomes renowned for her beauty, refinement, knowledge, and remarkable ability to answer difficult questions. After Tamamo gains the emperor's favor, he develops a mysterious illness. Suspicions arise that something supernatural is responsible. A diviner or spiritual specialist identifies Tamamo as a fox spirit. Her seemingly perfect human appearance is exposed as a disguise. Tamamo flees the court. Warriors pursue her to the Nasu Plain, where she is eventually killed. Her spirit becomes associated with the Sessho-seki (殺生石), or “Killing Stone,” a legendary stone said to emit deadly poison and kill living creatures that approach it.

Kuzunoha (葛の葉)

Kuzunoha is one of the most beloved fox-woman figures in Japanese folklore. She is traditionally depicted as a beautiful woman who is actually a supernatural fox spirit, and she is best known as the mother of Abe no Seimei, the legendary diviner associated with onmyōdō, Japan's traditional system of divination and esoteric practice.

Unlike Tamamo-no-Mae, the infamous fox spirit associated with deception and the downfall of an emperor, Kuzunoha is primarily remembered as a loving mother whose supernatural identity forces her to leave the human family she loves. Her legend explores the relationship between humans and spirits, the conflict between love and the natural order, and the sorrow of being unable to remain with those closest to you.

A white fox is pursued by hunters in the forest of Shinoda (Osaka), a man named Abe no Yasuna rescues the fox but is injured in the process. The fox remembers his kindness and later returns to help him. Taking human form, the fox appears as a beautiful woman. She enters Yasuna's life, and the two eventually marry. Her transformation is both an expression of gratitude and the means by which she can live alongside the man she cares for. Kuzunoha and Yasuna have a son, known in childhood as Doji, who is later known as the famous onmyouji Abe no Seimei (安倍晴明). His extraordinary intelligence and supernatural abilities are explained through his mother's fox-spirit heritage. Eventually, her identity as a fox is exposed. In the famous theatrical version, the appearance of the real Princess Kuzunoha reveals that the woman living with Yasuna is not the human princess she resembles. Kuzunoha realizes she can no longer remain in the household. Before returning to the forest, Kuzunoha writes a farewell poem on a paper sliding screen. In the celebrated stage scene, she holds her child and writes with her brush in her mouth because she cannot bear to put him down. She leaves for Shinoda Forest, separating herself from her husband and son.

恋しくば尋ね来てみよ和泉なる信太の森のうらみ葛の葉

Koishikuba tazune kite miyo Izumi naru Shinoda no mori no urami Kuzu-no-ha

“If you long for me, come and seek me in Izumi, in Shinoda Forest — the sorrowful Kuzunoha.”

Tengu (天狗)

Tengu are associated with mountains, martial prowess, spiritual power, and pride. The Tengu were disruptive demons and harbingers of war. Tengu are associated with the ascetic practice of Shugendo, and they are usually depicted in the garb of its followers, the yamabushi.

Tengu are commonly depicted holding a magical feather fan (羽団扇, hauchiwa). According to legend, tengu taught Minamoto no Yoshitsune to fight with the "war-fan" and "the sword". These fans have the power to stir up great winds. Various other strange accessories may be associated with tengu, such as a type of tall, one-toothed geta sandal often called tengu-geta.

Karasu-Tengu (烏天狗)

Often depicted with a bird's beak and crow's wings. Also known as Ko-Tengu (小天狗).

Dai-Tengu (大天狗)

Often depicted with a long nose and crow's wings, Also known as Hanataka-tengu (鼻高天狗, tall-nosed tengu).

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Yuki-Onna (雪女)

Yuki onna prey on travelers lost in the heavy snowstorms that blanket the Japanese Alps in winter. They have an otherworldly beauty, with long black hair and dark, piercing eyes. Their skin is ageless and as white as snow, but their bodies are as cold as ice. A mere touch is enough to give a human a deep, unshakable chill. They feed on life force, sucking it from human’s mouths with an icy breath that freezes their victims solid.

Neko-Mata (猫又)

In Japanese folklore, ordinary animals sometimes acquire supernatural abilities as they age. Cats, in particular, were considered mysterious because of their nocturnal habits, reflective eyes, silent movements, and apparent independence. A cat that lived long enough could, in some stories, develop powers beyond those of an ordinary animal.

In older accounts, the nekomata is a dangerous beast that inhabits remote mountains. It may be enormous, ferocious, and capable of killing humans. Its supernatural nature is not necessarily defined by having two visible tails.

In later folklore, a domestic cat that lives for many years develops supernatural powers. Its tail splits into two, and it may learn to speak, walk upright, assume human form, or perform sinister acts.

This version is especially compelling because the threat comes from an animal that once lived peacefully in someone's home.

The second type is the image most people recognize today: a two-tailed cat with intelligence, magical abilities, and an unsettlingly human personality.

Unlike an ordinary cat, a nekomata may understand human conversations, speak human languages, and then prey on humans. Its intelligence can make it more dangerous than a simple monster.

Some tales give it the ability to disguise itself as a human, often taking the appearance of an elderly woman or another familiar figure. This power makes it difficult to distinguish the supernatural from the ordinary.

Certain stories associate nekomata with mysterious flames or supernatural lights, sometimes called nekomata-bi (猫又火).

In darker tales, nekomata are associated with corpses, funerals, and the restless dead. Some accounts portray them as creatures that threaten to steal or consume corpses.

Bake-Danuki (化け狸)

Tanuki are raccons with the ability of casting illusions and transformations (to the extent of manipulating perception) and shapeshifting. The transformation ability of the Tanuki is said to surpass those of the Kitsune (other than the Nine-tail Fox). Compared with Kitsune, which are the epitome of shape-changing animals, one saying is "the fox has seven disguises, the tanuki has eight" (狐七化け、狸八化け). The tanuki is thus superior to the kitsune in its disguises, but unlike the kitsune, which changes its form for the sake of deceiving people, tanuki do so to fool people and make them seem stupid. Tanuki are basically the pranksters of the yokai realm.

The comical image of the tanuki having a large scrotum is thought to have developed during the Edo Period. Tanuki may be shown with their testicles flung over their backs like travelers' packs, or using them as umbrellas.

Tanuki are also said to drum on their bellies, making sounds such as "ponpon", and typically depicted as having large bellies.

Kappa (河童)

Kappa are water-dwelling yokai, and are associated with rivers and ponds. Commonly depicted as small, turtle-like amphibious creatures with webbed hands & feet, with a water-filled depression on their heads. They are extremely strong, and are known to drown cows and horses by dragging them into the water. Kappa are also known to enjoy sumo wrestling, and have a special liking to cucumbers.

Kama-Itachi (鎌鼬)

Kama-Itachi are weasels with sickle-like claws, said to ride dust devils and cut people using their sickle-like front claws, delivering sharp, painless wounds. Victims often feel little pain at first and may not bleed until later.

Jorogumo (絡新婦)

The folk name for her was blunt: 女郎蜘蛛, meaning "whore spider". The Jorogumo is a giant spider yokai that can transform into a beautiful woman. It lures men into quiet places, seduces them, and then binds them in sticky webs to devour them later. In Edo period writings such as the Taihei-Hyakumonogatari (太平百物語) and the Tonoigusa (宿直草), there are "jorogumo" that shapeshift into women. She is a cunning predator. Unlike feral beasts, the Jorogumo is intelligent and calculating, often maintaining her disguise for years. She preys on young, handsome men who are looking for love.

Tsuchigumo (土蜘蛛)

Tsuchigumo (土蜘蛛) means "earth spider," symbolizing its connection to the land and underground lairs. The word appears in ancient sources such as the Kojiki (古事記), Nihon Shoki (日本書紀), and regional Fudoki (風土記). In these texts, Tsuchigumo are not giant spiders. The term is used for local groups or leaders portrayed as resisting the expanding authority of the central court.

In the story of the 14th-century illustrated handscroll Tsuchigumo Zoshi (土蜘蛛草紙), Minamoto Raiko and Yorimitsu and Watanabe no Tsuna entered a strange ruined residence in Kyoto and encountered a series of supernatural phenomena, in which they discovered and battled a giant spider. Afterwhich the term Tsuchigumo became the name of an enormous supernatural spider.

Gashadokuro (がしゃどくろ)

Gashadokuro is commonly interpreted as: Gasha (An imitation of the rattling or clattering sound of bones) and Dokuro (Skull or skeleton). Together, the name evokes the sound of enormous bones clattering as a gigantic skeleton moves. It is also sometimes written as 餓者髑髏, a later spelling that evokes a starving or famished skeleton.

n popular depictions, Gashadokuro is described as a giant skeleton approximately 10–15 times taller than an ordinary human, although its exact size varies between interpretations.

Rather than representing a single deceased individual, Gashadokuro embodies the collective anger and suffering of many forgotten dead, especially those who died in wars.

Amanojaku (天邪鬼)

Amanojaku is a small, usually invisible, yokai that guesses the human heart and teases people by mimicking their words, provoking a person's darkest desires and instigating them into perpetrating wicked deeds. As such, the Amanojaku is the true deceiver and tempter as it pretends to be the person's inner voice, and makes use of his desires, fears and insecurities to manipulate him.

HiHi (狒々)

A supernatural beast, a frightening mountain-dwelling monster that looks like a giant baboon. It possesses formidable strength and is known in many tales to attack people, especially abducting women. Across regions, it is said to burst into loud laughter at the sight of humans.

Nue (鵺)

Nue is one of the oldest yokai recorded, having its first appearance in the Kojiki (712 CE), an account of the early histories of Japan. It also appears in the Heian-period encyclopedia Wamyo Ruijusho (938 CE), and again in the Heike Monogatari (1371 CE), a record of one of Japan’s bloodiest civil wars and most tragic family clans.

Nue has the head of a monkey, the body of a tanuki, the tail of a snake, and the limbs of a tiger. In ancient times it was thought to be a kind of nocturnal bird — it’s call is supposed to sound like that of a White’s thrush — and thus its name is written with a kanji that contains the meanings “night” and “bird.”

Little is known about the nue’s natural habitate and lifestyle. While sightings throughout history have been rare, nue are are considered to be pretty evil monsters. The few times that humans and nue have crossed paths, the results have been disastrous.

The Heike Monogatari and the Settsu Meisho Zue from the Settsu Province, tell the following tale of the killing of the Nue:

In the closing years of the Heian period, at the place where the emperor (Emperor Konoe) lived, the Seiryō-den, there appeared a cloud of black smoke along with an eerie resounding crying voice, making Emperor Nijō quite afraid. Subsequently, the emperor fell into illness, and neither medicine nor prayers had any effect.

A close associate remembered Minamoto no Yoshiie using an arrow to put a stop to the mystery case of some bird's cry, and he gave the order to a master of arrows, Minamoto no Yorimasa (源頼政), to slay the monster.

One night, Yorimasa went out to slay the monster with his servant Ino Hayata (井早太), and an arrow made from an arrowhead he had inherited from his ancestor Minamoto no Yorimitsu and the tailfeathers of a mountain bird. An uncanny black smoke started to cover the Seiryō-den. Yorimasa shot his arrow into it, there was a shriek, and a nue fell down around the northern parts of Nijō Castle. Instantly, Ino Hayata rush towards it and finished it off.

Tsukumogami (付喪神)

Tsukumogami are objects that become spirits. Perhaps the most distinctive creatures in some Night Parade scrolls, tsukumogami are household objects that acquire supernatural life. An old umbrella might grow a single eye and a long tongue; other utensils might sprout limbs and march alongside monsters. Tsukumogami introduce a particularly Japanese strand of interpretation. Objects that people have used and eventually abandoned return with lives of their own.