[quote=LegendBegins]
I'm saying, the limit probably wasn't always the same. And the spiritual world is intertwined with ours.
[/quote]

It's literally always the same. That's the whole thing. :/

And no; either it's within the universe or not. If outside of spacetime, it does not exist. If inside of it, then it's observable in some way, in which case why is there no evidence?