An Eternal Combat (Chinese: 天地玄門) is a 1991 Hong Kong fantasy horror film directed by Thomas Yip and written by Ho Tung.
In the period of Hongzhi Emperor (1487-1505) in the Ming dynasty (1368-1644), the Japanese Ghost King does all kinds of evil in the Chinese territory.
Caolu Jushi, a Maoshan Taoist priest, is always ready to defend the weak and helpless.
At that time, Ma Shangfeng, an official in the imperial court, helps to capture the Japanese Ghost King.
A war triggers the gate of the universe, they cross the time and space and comes to Hong Kong in the 20th Century.