a concept environment art landscape of a gloomy and somber floating island above the clouds with a towering magical arcane monolith ark full of carved glowing runes and glyphs shedding flaring volumetric light shafts throughout the darkness of a threatening sinister tempestuous clouds engulfed by lightning rainstorm , a stunning Alphonse Mucha masterpiece in fantasy nouveau artstyle by Anders Zorn and Joseph Christian Leyendecker , neat and clear tangents full of negative space , ominous dramatic lighting with macabre somber shadows and highlights enhancing depth of perspective and 3D volumetric drawing , colorful vibrant painting in HDR with shiny shimmering reflections and intricate detailed ambient occlusion
outdoors, sky, cloud, no humans, cloudy sky, building, scenery, mountain, fantasy, castle, lightning, tower, cliff, floating island
