Back From the Brink S01 E17 Episode 17

Tianyao rescued the elves and immediately went back to Dragon Valley to find Yanhui, but found that only Huan Xiaoyan was left in a coma. Bai Xiaosheng brought Yanhui back to the Hall, the Lord of Dark Aura brought Yan back to life, planted a black flower on her head, and asked her to get the Heart Protecting Scale within three months, otherwise she would die when the flower withered.