matte painting scenery, ancient underground RPG dungeon, D&D, no people, barren, fantasy game, cell shaded, anime game background, scenery game concept art, beautifully backlit, official fanart, colourful, beautiful, Anime by and ilya kuvshinov and Cushart Krentz and Gilleard James, 4k, HDR, Trending on artstation, Behance, award winning