Japanese Folklore Studies

Yokai & Yūrei

妖怪と幽霊の事典

A scholarly compendium of Japan's supernatural beings — from ancient mythological creatures and nature spirits to the vengeful dead. Study their origins, powers, and cultural significance.

33 Total Entries
24 妖怪 Yokai
9 幽霊 Yūrei
18 Categories
33 entries
Danger Level:

Danger Level Scale

Level 1 — Benign: Helpful or harmless spirits
Level 2 — Mischievous: Tricksters, rarely harmful
Level 3 — Dangerous: Can cause real harm if encountered
Level 4 — Very Dangerous: Lethal in many encounters
Level 5 — Catastrophic: Capable of widespread devastation