rtsal chen rdzogs pa'i rnal 'byor

the yoga of perfecting the great strength; [one of the stages in Anu Yoga] [RY]

the yoga of perfectiong the great power [in Nyuingma texts, du learned qualities of union learned on the mthar lam [path of finality GD] in order to perfect the ultimate power is called rtsal chen rdzogs pa'i rnal 'byor zhes bya'o, rnal 'byor lnga'i ya gyal zhig ste] [IW]

the yoga of perfecting the great power [IW]