Religion in Japan capital at Heian (now Kyoto). The six Buddhist sects initially established in Nara are today together known as "Nara Buddhism" and are relatively small. When the capital moved to Heian, more forms of Buddhism arrived from China, including the still-popular Shingon Buddhism, an esoteric form of Buddhism similar to Tibet's Vajrayana Buddhism, and Tendai, a monastic conservative form known better by its Chinese name, Tiantai. When the shogunate took power in the 12th century and the administrative capital moved to Kamakura, more forms of Buddhism arrived. The most popular was Zen, which became the most popular type of Buddhism of
Hayagriva (Buddhism) Japanese Mahayana Buddhism, Hayagriva is considered as a Avalokiteśvara with wrathful form (Batō Kannon 馬頭觀音, lit.Hayagrīva-Avalokiteśvara) , one of the six Avalokiteśvaras intended to save the sentient beings of the six realms: deities (deva), demons (asura), human beings, animals, hungry ghosts, beings of hell. Hayagriva's sphere is realm of animals (or beings whose state of mind are animal-like). In Folk religion in Japan, Hyagriva was also worshipped as the guardian deity for horses because of its name Horse-head (Batō). The horse was symbolized as a vehicle, not as one of Hayagriva's heads. In Chinese Buddhism and folk tradition, Hayagriva was