The stars are all relics. The deceased gods all inherited their energies. At the end of a star's life, the energies seeping from this relic revealed people who "saw". But everyone had a different purpose. Some suppressed their sadness for this purpose, some continued to see, some suffered pains for the sake of giving birth to their horns. The experiences that allowed ordinary humble creatures in this universe to communicate with the energy of these stars, and the messenger that would eventually be born and the wars that would determine the order of the universe were all near, and no humble creature knew about them. John was one of them...