大入道 · yurei · Aizu
Ōnyūdō
Ōnyūdō are tall, monk-like spirits known for their intimidating presence. In Aizu, they are said to wander mountain paths, bringing both caution and wisdom to those they meet. Their tall stature is often associated with their ability to guide and protect travelers.
Legend
A famous story recounts a traveler encountering an Ōnyūdō who shares crucial knowledge of the mountain paths, emphasizing the importance of respecting mountain spirits.