Grandmaster of demonic cultivation =

Lan Wangji invites Wei Wuxian back to the Lan Clan of Gusu, and Wangji can't help but notice that something is different about Wuxian. They were attacked by the Heavenly Maiden, and Wuxian uses his flute to raise the ghost general Wen Zing from the dead to protect them. Wuxian recalls how they first met fifteen years ago when they were just beginning their training as cultivators.