Gan is the sky, Kun is the earth, Zhen is thunder, Xun is the wind, Kan is water, Li is fire, Gen is the mountain, and Dui is the zodiac. There is vital energy between heaven and earth, and all things are metabolic and change generations, all of which are controlled by vital energy. I walk between heaven and earth, breathe, and swallow and exhale vital energy. The Dharma-Ending? Haha, I laughed...