Yes. It’s Satan’s greatest accomplishment, fooling people into believing he’s not there.
There is a great debate in Occult circles today, that Demons that are summoned by Evocation are either...
A: Parts of your own Psyche, portions of the human mind (mind you darker portions).
Then there is B: That these are in fact real perceivable entities.
Please don't make mistakes, I am not a Christian, nor have I been baptized, but I have seen a few things that make me realize there is something very Evil at work, something organized. Something cold and calculated. If you want to call him Set or Ahriman, then be my guest.