medieval castle on a steep cliff, digital art, concept art, magic fantasy, scenic, vibrant colors, high contrast, highly detailed, trending on artstation, 8k, andreas rocha, sylvain sarrailh, darek zabrocki, bastien grivet, finnian macmanus, dylan cole, liang mark, albert bierstadt, sung choi, peter mohrbacher, greg rutkowski, thomas kinkade, dan mumford, studio ghibli