Superhero inspired by Persephone, the Greek goddess of spring and queen of the underworld. Reimagine her as a ruler of cosmic duality in a future where life and death are intertwined realms. Her attire melds spring bloom aesthetics with shadowy underworld designs, adorned with petal and skull motifs. Her aura oscillates between vibrant life and serene death. Incorporate a scepter, entwined with flowers and bones, that can awaken or hibernate any cosmic entity. Colors: bloom blush, shadow slate, and empress emerald. Capture the essence of an empress governing the delicate balance of cosmic life cycles.