3D asset, chandelier, dark fantasy sci-fi deep sea theme, biomechanical design. Central floating bioluminescent cyan energy core trapped inside a ribcage-like dark oxidized metal and leviathan bone frame. Glowing fiber-optic cables resembling jellyfish tentacles hanging down. Rusted titanium joints, gothic futuristic architecture, abyssal barnacles and glowing neon coral growths. Bioluminescent teal and deep violet emissive lights. PBR textures, high surface detail, realistic metal and organic material contrast. Studio lighting, dark background, isolated on black, Unreal Engine 5 render, 8k resolution, masterpiece.