A senior flame haze contracted to Di Hong, known as the best among Flame Hazes.
Yu Xuan is a Chinese Flame Haze bound to Crimson Lord, Di Hong. She's known as one of the best Flame Haze in the East. Her name is feared by Denizens, even Sydonay, who has known her for thousands of years, still have a difficulty fighting her without his spear.
She is a beautiful woman with formidable sword skills. She has black hair and brown eyes. She wears a suit with a matching jacket, red belt from cloth, and plum-colored sash which she uses to wear the straight sword-shaped Divine Vessel, Kun Wu.
Her flame color is plum.
Sword Mastery : Yu Xuan masters the sword and is shown to use it to kill few Denizens in seconds. With Shashinkensei, she is able to defeat most of the enemies with ease, except Sydonay.
Shashinkensei : Translated as "Sacrificial Sword Awakening", is the technique Yu Xuan uses. When she use it, her body disperses into plum-colored mist leaving only Kun Wu, her straight sword, visible. The sword becomes marvelously swung without the user's body. The mist burns the enemies who touch it and will enter the their wounds that Kun Wu made which will cause the burnt from inside and outside simultaneously. The secret techniques of this spell is to use horizontally spinning Kun Wu as the core covered by the mist, becoming a disk-like saw which slice through the enemies.
She's the Shanghai' outlaw's leader when Sydonay and Bal Masqué army make a surprise attack.
Yu Xuan went to fight one-to-one with Sydonay who now wields Shintetsu Nyoi. She uses her Unrestricted Spell, Shashinkensei to battle him. Sydonay, with the indestructible spear don't have any wound from her greatest attack. Unaware that he already spread his clones all around her, Sydonay corners her with his flame and finish her by breaking Kun Wu into pieces, thus killing her.