Wu Xin

He is the leader of the Secret Guards, created by Nangong Yu to sacrifice their lives without hesitation for their master.

Appearance
Standing beside Xuan Wu is a young man dressed in a moon white brocade robe, his features bright and handsome, while his expression resembled an ice sculpture. His imposing manner gave off a warning, keeping strangers from coming close.

Background
He is the leader of Hell King's Secret Guards and one of the most loyal men under Nangong Yu.

Plotline

 * Nangong Yu sent him to protect her, however after seeing how her existence affected Nangong Yu's decisions he considered her a weakness to his master and he awakened the intention to kill her, but gave up after being intimidated by the aura. relentless of He Xi and see with his own eyes his medical expertise.
 * During his fight against the Black Law Protector, He Xi noticed that he was at a clear disadvantage and lent him a replica of the Killing Sky Sword which is suitable for all martial artists with Thunder and Fire attributes, thus greatly increasing his strength and making him your ability to battle equaled to the opponent.
 * After being attacked by the Black Law Protector's Refining Soul Banner he was about to be killed, but unexpectedly He Xi's cheap master, Old Beggar Man, arrived and saved them.