Rong Yue

She came across Ye Nuo and took him in under the ruse to find Gu Ruoyun but in actuality she knew who his father Ye Xiangtian who looked down on her (Charm Sect uses a cultivation method where they have sex with mean and steal their cultivation) so she wanted Ye Nuo.

She plotted to kill Gu Ruoyun so another disciple could have Qianbei Ye but was killed by him instead.