Astral projection is not real.
This is utterly confusing for Padre Pio could bi-locate and was no occultist.
it happens naturally or perfected through practice.
but one has to do away with the cord
it can be tracked back
so a new way must be possible
to do it.
just appearing somewhere in the astral
is the start
Mostly the real world, though you can visit higher ‘spiritual’ realms. As far as demons and gods, I’m sure it is possible, but I’ve yet to come across any personal experience proclaiming this. My suggestion: read up on it, and then experiment with it and come up with your own conclusion, it’ll provide you with the most useful, coherent answers to your questions. Just: take cautions.