Thank you for this writing, which I see as celebrating the craft of both, Mike Flanagan and Stephen King. It is an indeed of the best movie sequels ever made with one one of the most disturbing scenes in horror cinema; I'm talking about one of the kidnapped kid being murdered at a remote location.

the veil between reality and the dark world becomes thinner

One way to know if you are in tune with a good place in "the dark world" is by having your perception of reality expanded so that you see more elements that help you to adapt to it in an even more constructive way.