(((masterpiece))), (best quality), (ultra detail), (very_high_resolution), (large_filesize), (full color), Castle in the Sky, World above the sky, Above the Clouds, There are many angels flying, Angel wings grow, A shining world, Rainbow colored soap bubbles in the sky, Lots of rainbows, Rainbow Light, rainbow clouds, Fantasy art, Highest quality, 
A castle in the clouds with a rainbow in the sky