As the end of humanity drew near, the divine granted them permission to leave behind but a single relic. The last human, with their final breath, cradled a transparent box in their arms. Inside the box, something ebbs and flows like a living entity, transforming fluidly between shapes-sometimes appearing as cascading streams of light, other times as swirling galaxies, embodying both chaos and harmony. It is humanity's sole legacy, but what is it exactly?
Time flowed on, and Earth underwent a grand upheaval, reshaping the world anew. All that remained of humankind's existence was this tiny box, standing as the final testament to their once-vibrant presence.