Sokushinbutsu (即身仏) are a kind of Buddhist mummy. The term refers to the practice of Buddhist monks observing asceticism to the point of death and entering mummification while alive. They are seen in a number of Buddhist countries, but the Japanese term "sokushinbutsu" is generally used.
Shingon Buddhism is one of the major schools of Buddhism in Japan and one of the few surviving Vajrayana lineages in East Asia, originally spread from India to China through traveling monks such as Vajrabodhi and Amoghavajra.
Known in Chinese as the Tangmi these esoteric teachings would later flourish in Japan under the auspices of a Buddhist monk named Kūkai (空海), who traveled to Tang China to acquire and request transmission of the esoteric teachings. .
Śarīra is a generic term referring to Buddhist relics, although in common usage it usually refers to pearl or crystal-like bead-shaped objects that are purportedly found among the cremated ashes of Buddhist spiritual masters.
Relics of the Buddha after cremation are termed dhātu in the Mahaparinibbana Sutta.
Śarīra are held to emanate or incite 'blessings' and 'grace' within the mindstream and experience of those connected to them.
Sarira are also believed to ward off evil .
Vajrayana is Tantric Buddhism, the form of Northern Buddhism that relies primarily on the Tantras, technical manuals said to have been taught by the Buddha, and offer complete enlightenment in 1, 7 or 21 lifetimes.
Vajrayāna practices are connected to specific lineages in Buddhism, through the teachings of lineage holders. Others might generally refer to texts as the Buddhist Tantras. It includes practices that make use of mantras, dharanis, mudras, mandalas and the visualization of .