The Unkindness of Ravens were inspired by figures from Norse and Celtic mythology such as the Valkyries and The Morrígan. Filming took place during 2014 in Fife, Edinburgh, and Perthshire, and moved into post-production in 2015. To help with costs, Brewster opened a crowdfunding campaign through Kickstarter, with the goal to raise £40,000. The campaign was successful and marked the first Scottish crowdfunding campaign to raise such a large amount of money and the highest funded British horror film on Kickstarter. Horror film critic Kim Newman reviewed "The Unkindness of Ravens", writing that it was "a demanding, complicated film which might well require repeat
Flaming Creatures "Flaming Creatures" as a Miltonian "ancient ritual chant…not for the Paradise Lost, but for the Hell Satan gained." Arthur Knight called the film a "faggoty stag-reel ... defiling at once both sex and cinema." Pete Hamill described it as "a sophomoric exercise in the kind of sex that Henry Miller dealt with 30 years ago." Following the seizure of the film, the director of the Homosexual League of New York called "Flaming Creatures" "long, disturbing and psychologically unpleasant". Amos Vogel likened it to a film noir that "despite flashes of brilliance and moments of perverse, tortured beauty" was full of