Oumononushi

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For other incarnations of this Demon, see Okuninushi and Onamuchi.
Oumononushi
オオモノヌシ

Artwork from Shin Megami Tensei Hisshō Kōryaku-hō (Book)

Other Name(s) OumononusiShin Megami Tensei (some menus)

OomononushiShin Megami Tensei (Demon Dictionary)
Origin Shinto
Race(s) Kishin
Alignment(s) Light-ChaosShin Megami Tensei
Shin Megami Tensei: Tokyo Requiem

Oumononushi is a Demon in the Megami Tensei franchise.

Profile

Origin

Ōmononushi, also known as Ōmononushi-no-Kami, Miwa-no-Ōkami, and Miwa (Dai)myōjin, is a kami in Japanese mythology associated with Mount Miwa, also known as Mount Mimoro, in Sakurai, Nara Prefecture. He appears in the imperial myth cycles recorded in the Kojiki (712 CE) and the Nihon Shoki (720 CE) in connection with the earthly deity Ōkuninushi, and is often treated as another name for or an aspect of Ōkuninushi’s spirit (mitama). His cult is centered on Ōmiwa Shrine at the foot of Mount Miwa, where the mountain itself serves as the shrine’s object of worship (shintai). He is also enshrined at a number of other shrines, including Ōsugi Shrine in Ibaraki Prefecture and Kotohira Shrine (Kotohira-gū) in Kagawa Prefecture, where he is identified with the deity Konpira Daigongen.

In the Kojiki narrative describing Ōkuninushi’s pacification and development of Ashihara no Nakatsukuni, the dwarf deity Sukunabikona appears and assists him in the formation of the land. After Sukunabikona departs for the “eternal land” (tokoyo no kuni), Ōkuninushi enshrines a divine presence on Mount Mimoro. In the Nihon Shoki, this presence explicitly identifies itself as the kushimitama (wondrous spirit) and sakimitama (fortunate spirit) of Ōnamuchi, another name for Ōkuninushi, and is named Ōmononushi. He is thus presented as the spirit of Ōkuninushi manifested in the mountain and worshiped as a distinct deity.

Both the Kojiki and the Nihon Shoki relate that during the reign of Emperor Sujin, a series of plagues afflicted the land. Following divination, the emperor received a revelation from Ōmononushi declaring that the calamities would cease only if he were properly worshiped. A priest named Ōtataneko was subsequently appointed to serve the deity at his shrine, after which the epidemic subsided. Ōtataneko is regarded as an ancestor of the priestly clans associated with the Miwa and Kamo lineages.

Ōmononushi’s principal place of worship is Ōmiwa Shrine, where Mount Miwa itself is revered as the kami’s sacred body. This form of mountain worship reflects some of the earliest expressions of Shinto and places Ōmononushi among the major deities of ancient Japan. Snakes are commonly associated with his cult, and local traditions describe a white serpent as a manifestation of the deity. Ritual offerings and ceremonies at Ōmiwa Shrine are traditionally linked to protection from disease and the restoration of communal well-being.

Design

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Tree roots extrude from Oumononushi's lower body, which may represent its connection to the Earth as a member of the Kunitsukami.[1]

Gameplay

Shin Megami Tensei
Name Level HP MP
Oumononushi 38 402 120
Strength 23
Intelligence 11
Magic 12
Vitality 17
Agility 9
Luck 9

Species Race Alignment CostSummon Cost CPMagnetite used while in party
Kishin Kishin Light-Chaos (177) 1216 27
Attack Accuracy Defense Evasion M. Attack M. Effect Moon PhaseDemon Aggression
92Most versions/91Mega-CD 15Most versions/14Super CD-ROM²/13Mega-CD 50Most versions/49Super CD-ROM²/65Mega-CD 10 13 13Most versions/12Super CD-ROM² 0
Resistances
High Oni: "Reflects Curse."
Sword Gun Fire Ice Elec Force Nerve Almighty
×1 ×¾×0.75 ×½×0.50 ×¾×0.75 ×¾×0.75 ×1 ×¾×0.75 ×1
Expel Death Magic Bind Charge Dex Needle Non-Elem.
×¾×0.75 Rfl ×1Reflect (×1 Damage) ×½×0.50 ×¾×0.75 ×¾×0.75 ×1 ×¾×0.75 ×1
Basic Attack Element Hit(s) Target
Sword 1 Single enemy
Magic Skills
Skill Attribute Cost Description
Zanma Force 5 MP Blasts one enemy with a strong gale.
Rimdora Force 8 MP Blasts a group of enemies with the strongest gale.
Mediarahan Healing 14 MP Restores all allies' HP by roughly 100.

Compendium

Compendium Entries
Shin Megami Tensei
(A-Mode DDS)

Origin: Japan
The snake god revered at Japan's founding. He is a thunder god, as well as a rain god and fertility god. In the Nihon Shoki, Oomononushi is another name for Ookuninushi.

Nomenclature

Names in Other Languages
Language Name Meaning
English Oumononushi[a]
Oumononusi[a]
Oomononushi[a]
Japanese オオモノヌシ Ōmononushi Lit. "great thing master"
大物主Shin Megami Tensei (Mega-CD)
 Ōmononushi		 Kanji rendering of the above

Trivia

Gallery

Notes

  1. ↑ 1.0 1.1 1.2 This demon is inconsistently called Oumononushi, Oumononusi, and Oomononushi in the iOS localization of Shin Megami Tensei, with different menus using different names. Most menus, however, use Oumononushi.

References

  1. ↑ 1.0 1.1 "dragoodin12: @kazumaKaneko666 SFCのコトシロヌシ、ヒトコトヌシ、オオモノヌシが下半身が異形の姿になってるのはどういう意図でデザインされたのでしょうか？" dragoodin12, [1]. Published August 5, 2026. Retrieved August 6, 2026. X."kazumaKaneko666: SFCの『真・女神転生』で登場する悪魔たちをチョイスしてくれたのは皆さんの間でお馴染みの大司教（知らない方は調べてみてくださいね）なのですが、日本神話の神はどれも白い装束を着た姿で同じになりがちなので、大司教に「どうしよう？」と聞いたら、こうすれば良いじゃん、と「オオモノヌシ」の絵を描いてくれました。（大司教は美大卒なんです）という事で、この悪魔のデザインは僕のデザインでは無くて大司教のデザインなんです。下半身は気の根っこになっておりますから、多分、国津神だから大地と繋がっているイメージだと思います。" Kazuma Kaneko, [2]. Published August 5, 2026. Retrieved August 6, 2026. X.
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