The cold and reserved train guard of the Astral Express. Wielding a spear named Cloud-Piercer, he joined the Express crew to escape his secluded past. A cold and reserved young man who is reticent about his past. To avoid his kin, he decided to travel with the Astral Express. Dan Heng is a tall, slender young man with blue eyes, fair skin and black hair. He wears a black turtleneck along with a white and turquoise-colored coat, with gold and smoke-styled accents along with a piece of jade armor.