Chukai Shonin was a Buddhist priest of the Shingon tradition, associated with the ascetic practice of sokushinbutsu, or self-mummification, undertaken as an act of extreme devotion believed to embody Buddhist ideals of compassion and salvation for future generations. His preserved remains are enshrined and venerated at a temple in the Tohoku region of Japan, where he is regarded as a figure connected to memorial rites and prayers for the deceased. Devotees and visitors have historically approached such mummified priests as intercessory figures within local Buddhist memorial traditions, though specific claims about his powers rest in tradition rather than verified doctrine.