A massive dark planet in the void of space, eerie mysterious atmosphere

a massive dark planet in the void of space, eerie mysterious atmosphere, lovecraftian horror, dark cosmic fantasy, unsettling and foreboding ambience, highly detailed, dark and gloomy, dramatic lighting, cinematic composition, muted color palette, ominous and mysterious, otherworldly and alien, digital art, concept art, award winning, intricate details, dramatic shadows and highlights, stunning visual effects