Prompt: a biomechanical robotic angel concept art, wings unfurled, sleek carapace of mammalian wings fused with hydraulic spinal ridges, digitigrade legs ending in multi-jointed talons grasping for the heavens, serrated feathered edges concealing plasma tipped feathers, influence of Simon Stålenhag retro-futurism blended with John Harris hyperrealism, neon highlights illuminating intricate biomechanical engineering, dramatic moonlit silhouette against a stormy cobalt sky, 32K resolution masterpiece showcasing the artists' attention to scientific accuracy and awe-inspiring detail.