Back From the Brink S01 E36 Episode 36

Tianyao was exhausted and unconscious, and Ling Xiao took care of him, while Yanhui helped Cha to absorb the dark aura. Waking up, Cha immediately went for Master Qiyun. Tianyao casted spell to dispel Qiyun's Frost Blossom Technique and unknowingly activated the Death Curse.