cheerful fantasy metropolis at the end of the multiverse, vibrant and lively, filled with mythical creatures, floating islands, rainbow-colored skyscrapers, neon lights and magic portals connecting to different realms. Artwork should be in a playful, fun and imaginative style, combining elements of pop art and surrealism, using a color palette that includes warm hues such as gold, pink, blue and purple, along with bright neon colors.