https://hkmdb.com/db/movies/view.mhtml? ... ay_set=eng

is the same movie like

https://hkmdb.com/db/movies/view.mhtml? ... ay_set=eng

(early stage of the movie production with different cast/director)

If no one objects I'll delete the 1970 entry soon.

Deleted that entry:

血染風雷莊 (1970)
Devil's Mirror
Origin: Hong Kong
Language: Mandarin
Genre: Martial Arts

Director
Shen Chiang

Cast
Lo Lieh ... Tang Tu-Yuan
Shih Szu
Chen Feng-Chen
Tung Lin
Kim Ki-Ju
Park Ji-Hyeon

Production Company
Shaw Brothers

Filming Location
Hong Kong