Create an epic piece of art depicting a fantastical sky filled with swirling galaxies and cosmic beings, blending colors and shapes in a mesmerizing display of creativity and wonder.

Generate an epic and fantastical scenery featuring a sky filled with swirling galaxies and mysterious cosmic beings. The scene should be a mesmerizing display of creativity and wonder, harmoniously blending vibrant and myriad colors along with a variety of mesmerizing shapes for a truly celestial spectacle.