Xing Hai is a powerful demon necromancer who dwells in the Night Devil Forest, and a major supporting character in season 1 of Thunderbolt Fantasy. Lin Xue Ya recruits her in order to cross the Demon Spine Mountains. She initially refuses, but changes her mind after learning their goal is to acquire the Tian Xing Jian. However, her true motive is to awaken the sleeping demon god Yao Tu Li. The post-credits scene for Season 2 suggests she will be a major antagonist in the third season.