an ancient dark portal to another dimension inside a gigantic cavern+global illumination+dystopia+matrix+star wars+blade runner+4k octane render+Utopia+made by SEGA+volumetric light+futurism+4K Full HD+photoreal+photoreal+cinematic+futuristic+sublime atmosphere+imagined by simon bizley+Albert Bierstadt+Herbert James Draper+Arnold Bocklin+Caspar David Friedrich+Sir Lawrence+Alma-Tadema+Karl Heilmayer+JMW Turner+cinematic style