There’s something eerie about da Vinci’s Lady with an Ermine—that distant stare, the strangely serpentine choice of rodent, the utter darkness of the backdrop, perhaps? Even before the trailer for Layers of Fear transforms the subject of da Vinci’s portrait work into a skeletal atrocity gripping a snarling demon rat, it has the same faintly unsettling quality I tend to see in a lot of the classic art of 15th and 16th century Europe. So it makes sense that Layers of Fear, which follows a painter’s descent into madness, would focus on these types of masterpieces. The creep factor is already there. each…