Book of Shadows: Blair Witch 2

Of course there had to be a sequel of sorts with, Book_of_Shadows:_Blair_Witch_2. 

https://en.wikipedia.org/wiki/Book_of_Shadows:_Blair_Witch_2#Plot

It's tough to say how far this BW mythology will go.

https://paranormal-intersection.blogspot.com/search?q=The+Blair+Witch