Mechanicus Tech-Priest reading an old book in a room decorated with skulls, fantasy, sci-fi, intricate, elegant, dramatic lighting, emotionally evoking symbolic metaphor, highly detailed, lifelike, photorealistic, digital painting, artstation, concept art, smooth, sharp focus, illustration, art by John Collier and Albert Aublet and Krenz Cushart and Artem Demura and Alphonse Mucha