Prompt: A hyper-realistic oil painting of a zombie baroque knight, rusting armor plates, rotten flesh hanging from bones, gnarled fingers grasping a longsword, set against a stormy night landscape with a decaying medieval castle in the background, dramatic lighting and shadows, thick impasto textures, eerie color palette of grays, greens and blues, in the styles of Caravaggio, Rembrandt and Francisco Goya with their use of tenebrism and attention to grisly detail, highly realistic with a haunting atmospheric mood, digital illustration.