Type of Spiritual Experience
In Japanese mythology, a raven called Yatagarasu is a large three legged bird whose appearance is construed as evidence of divine intervention in human affairs. Yatagarasu is mentioned in a number of places in Shintō literature. Yatagarasu seems to have been a particularly revered shaman acting in his time as a guide for Emperor Jimmu on his initial journey from the region which would become Kumano to what would become Yamato. It appears in art as a three-legged bird, although there is no description stating that the Yatagarasu was three-legged in the Kojiki.
A description of the experience
Yatagarasu guides Emperor Jimmu towards the plain of Yamato