1x11 - Back From the Brink

To buy for time for Yanhui, Tianyao fights against Suying. However, Yanhui is not able to break the array of the Dragon Horn and she only asks for help from Bai Xiaosheng. He tells his spiritual power may be harmful to her but she just wants to get the Dragon Horn, regardless of the danger. Hence, she absorbs his power to get the Dragon Horn for Tianyao successfully.