Ancients
At some point the waves stabilized, and I was in a dark room where I was the only glow. Alone I was confined in a tight box from which I dared not exit, over which I had domain to make anything I wished.
Only after a few minutes—though it was a small forever as it happened—I saw that there was no box at all. That was when I stood, raised my new spirit body, and cast a spell that I have long forgotten, but that I can only translate as: Let there be light.