A cold and reserved young man who is reticent about his past. To avoid his kin, he decided to travel with the Astral Express. A cold and reserved young man who wields a spear known as Cloud-Piercer. He acts as the Express' guard on its long trailblazing expedition. Dan Heng never talks much about his past. In fact, he joined the Express Crew to escape from a past of his own making.