Qingli (female protagonist): A green-eyed snake demon who transformed into an early form due to stealing Kunlun snow lotus seeds. She has a crescent birthmark formed by reverse scales on her left wrist.
Shen Yan (male protagonist): A demon hunter who is born with no sense of pain. His true identity is a demon-killing weapon created by the Dragon Clan by stripping away their emotions.
Xuan Chi (male supporting role): The fallen dragon priest, masters the "Candle Yin Technique" that reverses yin and yang, and uses the green glass demon pill as an eye to resurrect his dead wife.
Yue Jian (female supporting role): The incarnation of the medicine spirit, using the nine-leaf heavy tower of the original body to extend Shen Yan's life, hiding the inheritance of Shennong's bloodline
