Demons and artists, it seems, pull from the same bag of tricks. They take ordinary matter and transform it into something more wondrous, more terrifying.
Medical authorities wrote about leeches as if they sucked blood out of the goodness of their hearts.
According to the extramission theory of vision, our eyes send out beams of elemental fire that spread, nerve like, to create the visual field.
The fact that people can use “literally” about things that can’t possibly be factual may literally make your blood boil.