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
Living creatures (Bible) vision. These appear as a lion, an ox, a man, and an eagle, much as in Ezekiel but in a different order. They have six wings, whereas Ezekiel's four living creatures are described as only having four. In verse 6, they are said to have "eyes all over, front and back", suggesting that they are alert and knowledgeable, that nothing escapes their notice. The description parallels "the wheels" that are beside the living creatures in Ezekiel 1.18; 10.12, which are said to be "full of eyes all around". The Hebrew word for "wheel" (ôpannîm) was also used in later Jewish