A very beautiful highly detailed, (rook shaped and stone walled castle with no roofs, clear skies day background, 4k, 8k, ultra realistic, realistic, ultra hd, high definition, highly detailed, high quality, unreal engine, city ambiance, epic, flags:1.3), by james jean and mark keathley, fantasy concept art, fantasy art, epic fantasy card game art, full art illustration, trending on Artstation | Fantasy