A castle on a mountain overlooking the ocean at sunset

fantasy art, 8K, masterpiece of a large and very tall ivory castle, highly polished ivory white, with tall minarets flying a sovereign flag, with dark green dragon scale shingles rooftops, sitting on a tall rock island in the bay, fire red cloudy sky at dusk, twilight lighting, evening, candles are lit inside, high clouds with the sun shining just above the horizon, sun flares