1971/28: Zaat aka The Blood Waters of Dr Z 1971

 Trailer:

Watch movie:

https://youtu.be/HjKux47PX8w?si=azeYTwVquvQ0SJNn 

 https://en.wikipedia.org/wiki/Zaat

https://www.moriareviews.com/sciencefiction/zaat-1971-blood-waters-of-dr-z.htm 

https://bigdamnspider.com/2015/10/31/hubrisween-2015-zaat-1971/

https://horrorandsons.com/2020/06/17/zaat-aka-the-blood-waters-of-dr-z/