HH Dorje Chang Buddha III-accomplishment in The Five Vidyas mastery of Exoteric and Esoteric Buddha- : https://holyvajrasana.org/articles/h-h-dorje-chang-buddha-iii-is-living-in-america-introduction/h-h-dorje-chang-buddha-iii-is-living-in-america-part-i-who-is-dorje-chang-buddha