Heini-iki: Heini-iki, also known as Kul-iki, is an Ob-Ugrian god of the Underworld and spirits of sickness.

Heini-iki - A feared and taboo deity whose appeasement through animal sacrifices was believed to prevent illness.

Heini-iki

Heini-iki - A feared and taboo deity whose appeasement through animal sacrifices was believed to prevent illness.

Heini-iki, also known as Kul-iki, is an Ob-Ugrian god of the Underworld and spirits of sickness. He is known for his shape-shifting ability, often appearing as a dog, cat, or fog, and is closely associated with the color black. His presence, marked by taboo and fear, is central to rituals aimed at preventing illness among the people.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

An intriguing aspect of Heini-iki is the taboo surrounding his name, which reflects a cultural belief in the power of words to invoke or ward off supernatural forces.

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Quick Creature Info

Associations:

Element: DarknessBlack color

Our Mythic Legendary Rating:

Ethereal Power
Ethereal Power rating

Also Sometimes Known As:

Kul-iki

Habitat:

UnderworldUnderworld realmSurgut area (Khanty region)Often depicted in dark, foggy environs and during animal sacrifice ritualsOb-Ugrian mythological realm

Supernatural Powers:

Shape-shiftingImmortalityCurse ability over sickness

Physical Attributes:

Black colorationAnimalistic formsFog-like manifestation

Abilities:

Can appear as a fog that hides a person from their guardian spiritControl over sickness and underworld spiritsIntimidating and taboo presence

Behavior:

Malevolent and mysterious; his presence is feared and his name unspoken in sensitive contextsAssociated with inducing sickness and ruling the underworld; operates in opposition to his heavenly brother

Lore:

God of the Underworld and of the spirits of sicknessOb-UgrianA feared and taboo deity whose appeasement through animal sacrifices was believed to prevent illness

Related Creatures, Tales or Lore

References

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Curated by the Mythological Creatures Team (rev. May 2025)