Heavenly Dao is eternal, however life is limited, making heaven and earth pieces of a chessboard.
Gu Hai from the 21st century was taken onto another world. Gu Hai became a formidable opponent in the area of trade. In the times of war, he comes up with strategies for the Chen Empire against the Song Empire.
A fairy from heaven became interested in him and gave him a mission to complete on his journey. However this may bring turmoil and chaos upon the world.
- English: Everlasting Immortal Firmament
- Synonyms: Everlasting Immortal Firmament
- Japanese: 万古仙穹
- Type: ONA
- Episodes: 12
- Status: Finished Airing
- Aired: May 18, 2017 to Jul 27, 2017
- Producers: iQIYI
- Licensors: None found, add some
- Studios: Haoliners Animation League
- Source: Novel
- Genres: Adventure, Comedy, Fantasy, Shounen
- Duration: 15 min. per ep.
- Rating: PG-13 – Teens 13 or older