Hiei-zan
In time, Saichō attracted other monks both on Mount Hiei, and from the Buddhist community in Nara, and a monastic community developed on Mount Hiei, which eventually became Enryaku-ji. Saichō was said to have carved an image of the Bhaiṣajyaguru and enshrined it. Additionally, he lit a lamp of oil before the Buddha and prayed that the lamp would never be extinguished. This lamp is now known as the and has remained lit for 1200 years.