Shen Qi Huan Qi Tan
English title: The Legend of Ancient Soul
Japanese title: 神契幻奇谭
Type: ONA
Episodes: 24
Source: Manga
Genres: Action, Adventure, Fantasy, Mystery, Supernatural
Studios: Mili Pictures
Producers: Tencent Penguin Pictures
Duration: 13 min per ep
Rating: PG-13 - Teens 13 or older

Years ago, the gods fought against each other before being sealed away. However their artifacts remained in the souls of the HuaXia clan as part of a contract and hope that someday in the future, they will awaken once more using those artifacts.

(Source: Baka-Updates Manga)