Fanren Xiu Xian Zhuan: Yan Jia Bao Dazhan

The special episode picks up right after the first season, telling the story of Han Li's series of adventures in Yan Family Fortress after he discovers the full-scale invasion of the demonic path. Mysterious demonic spies, Dong Xuan'er, a "blind date" arranged by his sect, and Mo Caihuan, the long-lost daughter of the Mo Master, Han Li cautiously steps into an extremely dangerous and perilous situation, navigating seemingly comical and chaotic battlefields. (Source: Bangumi, translated)

Episodes 18-21 of Fanren Xiu Xian Zhuan.