a dreamy amitabha buddha meditating in a cave overlooking a vast plain, mossy rocks, lightening, a bright blue waterfall, a sky full of stars background, 4 k, hyper realistic, in he style of national geographic, coherent design, symmetrical, vivid colour, complementary colour, golden ratio, detailed, sharp lines, intricate, rainbow shift, in unreal 3 d engine, ray tracing, octane render