Rigdzin Sokdrup
Rigdzin Sokdrup (Wyl. rig 'dzin srog sgrub) or 'Accomplishing the Life-Force of the Vidyadharas' — a cycle of teachings revealed by Lhatsün Namkha Jikmé after a pure vision he had while meditating in the Cave of the Heart of the Deity to the north of Drakkar Tashiding in Sikkim. The cycle includes the famous practice of Riwo Sangchö.