Guru Rinpoche was instrumental figure in Tibetan Buddhism, In Tibetan Buddhism, Padmasambhava's teachings are said to have an oral lineage (kama) as well as a lineage of the hidden treasure texts (termas). He is said to appear in visionary encounters to tertöns, and his form is visualized during guru yoga practice, particularly in the Nyingma school. He is revered by Buddhists in Tibet, Nepal, Bhutan, India's Himalayan states, and other countries around the world.