Kui Long, also known as Long Kui, is a fictional character from the Chinese RPG series 'Xian Jian Qi Xia Zhuan' (also known as 'Chinese Paladin'). She is a mysterious and ethereal spirit with a complex personality, representing both the blue and red spirit forms that reflect her dual nature. Long Kui is deeply connected to the protagonist, Li Xiaoyao, serving as both a protector and a tragic figure, burdened by her past and the events that led to her spiritual form. Her role in the series is crucial to the unfolding of the storyline, providing emotional depth and pivotal plot points.