Mira Thorpe?

Edgar Thorpe murdered his wife out of jealousy for her artistic talent. Since then he’s been painting her image obsessively. Now, in an act of supernatural horror, one of the images of Mira has crawled out of the canvas and into the real world, thirsty for revenge. But what is this creature? Is this Mira’s spirit? A demon? A cosmic entity of justice? And what happens to them after Edgar is dealt with?