deep-sea diver, Warhammer 40K theme, power armor, intricate details, glowing eyes, underwater, bioluminescent creatures, submarine background, dark ocean, high pressure environment, metallic textures, barnacle encrusted structures, futuristic weapons, action pose, dynamic lighting, murky water effects, close-up shot, 3/4 view, cinematic composition, ambient light, eerie atmosphere, sci-fi, detailed helmet, oxygen tubes, heavy boots, gauntlets, distressed material, battle damage, marine life, coral reef, submerged ruins, wide-angle lens.