Gyetsun Genga Chodrup. 1420—, studied various sects of Tibetan Buddhism, promoted the ultimate emptiness of otherness and the Great Perfection, practiced the six preliminary practices of Kalachakra in seclusion for twelve years, achieved alchemy with the freedom of qi and mind, went to Shambhala Pure Land to receive the Dharma in his phantom body, lived to be about 130 years old, and his phantom body merged into the Kalachakra body. His famous disciples include Genga Chodrup and others.