Fanren Xiu Xian Chuan: Yan Jia Bao Dazhan
Japanese title: 凡人修仙传 特别篇 燕家堡大战
Type: ONA
Episodes: 4
Source: Novel
Genres: Action, Adventure, Fantasy
Studios: Original Force, Wonder Cat Animation
Producers: bilibili
Duration: 18 min per ep
Rating: PG-13 - Teens 13 or older

Episodes 18-21 of Fanren Xiu Xian Chuan.