Steampunk Sea Devil Submarine with Neon Lantern, Detailed 3D Vessel

A colossal steampunk submarine shaped like a menacing sea devil, illuminated by a glowing neon lantern casting warm orange light into portholes. Brass plates, rivets and exposed mechanical internals reveal a retro-futuristic, industrial mood. High-detail 3D rendering emphasizes metal textures and intricate machinery, evoking mystery and underwater adventure.