Photorealistic Heresy-era Arthurian Space Marine in Armor

A dark, highly detailed portrait of an Arthurian Heresy-era space marine in heavy ornate power armor with glowing red eye lenses and a luminous chest core. The scene conveys knightly stoicism and an epic sci‑fi mood, emphasizing intricate armor details, metalwear, and cloth textures while situating the figure against a neon-lit urban backdrop.