Longdé is a series of texts emphasizing space or vastness, and makes up about one third of the Dzogchen tradition. What Awbery is teaching is likely kumnye, which is part based on Longdé and part based on medical tantras: https://www.aroencyclopaedia.org/shared/text/s/skumnye_ar_eng.php
Longdé is a series of texts emphasizing space or vastness, and makes up about one third of the Dzogchen tradition. What Awbery is teaching is likely kumnye, which is part based on Longdé and part based on medical tantras: https://www.aroencyclopaedia.org/shared/text/s/skumnye_ar_eng.php