Welcome to the forum!
Getting taken advantage of as a sensitive by lesser entities is a common problem, though tis sounds pretty extreme. We have a few tutorials on what we call “spiritual hygiene” and also getting rid of astral parasites and free loaders that might be interesting.
Kin or, but it’s easily avoided with education. Protections are built in to ceremonial systems by modern grimoire take short cuts or assume they’re talking to intermediate level adepts. And who really wants to sound all worry wart and uncool and put repetitive warnings to go do your homework before you start?
Having a good strong base in your self integrity before you open the door to entities is ideal, but a lot of people don’t have the opportunity or patience to build up slowly like this. Drugs are bad news in this sense, all the xp, not so much wit the understanding and control to really leverage it.
List of lists of free tutorials: