The subject is Creation and the so-called Astral plane. This Astral plane has nothing to do with stars or constellations, and I have no idea why they named it like that. But even if the writer doesn’t agree if the godfather wishes it, ... my dear Christ you too have to walk wearing red shoes (for those who know the relative joke).
It is quite common nowadays, to place under the idea of parallel universes, anything we don’t seem to fully understand. Your interlocutor simply mentions “It is a matter of a Parallel universe” and sends you packing.