From the time of his youth, Xue Yang was a delinquent in Kuizhou, known for his radiant smile, inhumane means, and merciless personality. This seems to have stemmed from a traumatic incident during his childhood, as before that he was naive and trusting.
As a junior disciple of the Lanling Jin Clan, Xue Yang views the cultivators around him with contempt and shows no fear in the presence of the intimidating Nie Mingjue.
Xue Yang seems particularly sensitive to the notion that people look down on him, often reacting with killing intent.
Xue Yang was a guest of the Jin Clan who recreated the destroyed half of the Stygian Tiger Seal. He was found by Xiao Xingchen and A-Qing while he was injured and unconscious on the streets. He was then brought to an uninhabited coffin house where the two tended to his injuries. As the two did not know his real identity, he used Xiao Xingchen's blindness to his advantage and ended up living with them for years through deception. However, he was exposed when A-Qing witnessed his malicious intent. He fought Xiao Xingchen and ultimately revealed the truth, which caused Xiao Xingchen to commit suicide. As Xue Yang was unable to turn him into a fierce corpse, he stored his shattered soul in a spirit-trapping pouch. He later found A-Qing who was seeking revenge, and killed her by digging her eyes and cutting her tongue out.
