54%
4.9 (4.3k)Age rating
Denmark 
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We couldn’t find any streaming options in the United States, but Mercy Black is available in the United Kingdom and 15 other countries on Amazon Prime Video, Shudder Amazon Channel, and 19 other services.
A woman is sent to a mental institution after stabbing her classmate in an attempt to conjure an evil spirit called, Mercy Black. Fifteen years later she's released, and must save her nephew, who has become obsessed with the phenomenon.
