Druk-Ka-Nying Incense in a silk brocade tube(color varies). In Bhutanese mythology, Druk is the thunder dragon and the Kingdom of Bhutan is the land of the thunder dragon. Dragons are displayed both on the label and within the silk covering. From Bhutanese Buddhists, Druk Ka Nying contains about 100 aromatics, and comes from an ancient formulation recommended by yogin Kunkhen Pema Karpo.