Sin-you: The Sin-you is a fearsome, mythical quadruped from East Asian folklore, bearing a single, unbranching horn and an intense gaze.

Sin-you - Embodies the concept of divine justice, discerning truth and administering punishment to the guilty.

Sin-you

Sin-you - Embodies the concept of divine justice, discerning truth and administering punishment to the guilty.

The Sin-you is a fearsome, mythical quadruped from East Asian folklore, bearing a single, unbranching horn and an intense gaze. It resembles a Qilin but with a more feral appearance and composite traits. Renowned as a symbol of justice, it discerns falsehood and punishes the guilty with lethal impalement.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

The Sin-you is often compared to the Xiezhi, another mythical creature renowned for its truth-detecting powers in Chinese folklore.

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Quick Creature Info

Our Mythic Legendary Rating:

Mystical Awakening
Mystical Awakening rating

Also Sometimes Known As:

Hiai ChaiChiai TungKai Tsi

Habitat:

JusticeEast AsiaOften depicted in the presence of rulers or judges during judicial proceedingsMythological court/urban settings

Supernatural Powers:

Detects falsehood with its gaze

Physical Attributes:

Single unbranching hornShaggy maneIntense, burning eyesFeline or ovine bodyHooves or feline pawsImposing presenceFeral appearance

Abilities:

Leaping attack as a means to execute justiceIntimidating presenceImpartial enforcer of justice

Behavior:

Formidable, intimidating, and righteousEnforces justice by punishing deceit and wrongdoing while sparing the innocent

Lore:

Divine enforcer of justiceEast Asian mythologyEmbodies the concept of divine justice, discerning truth and administering punishment to the guilty

Related Creatures, Tales or Lore

References

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Curated by the Mythological Creatures Team

Series editor: Mythological Creatures Directory

Primary desk: Asian & Pacific Myth Cycles Desk

(rev. November 2025)