The Shadow Self,
I never get hallucinations to the point where I'm getting OED's. Despite this, I think I can relate some what to getting what you described. While I have never gone above eating 2grams of mushrooms at a time , I still feel I have had some visions/spirituality.
An example, well before I explain, I just say it may sound like nothing, but to me, wow.!
Because I ended up smoking weed with all my trips, I was brought into another planet on this particular trip, whether I somehow ingested them better that day, or the weed spiked it, I don't know
I remember g going into my spare bedroom across the hall from me at night time to smoke a cigarette out of the window and as I looked outside the window I felt like I went in a Time Warp back when I was 14 years old, I seen my friends outside on the lawn while it was dark but I didn't see them if that makes any sense they were talking to me but I could hear them or see them it sounds weird but that's how it's worked. I literally felt like I was back in a Time Warp and dropped off in the past it was the most wonderful experience I've ever had in my life I felt like I actually had a chance to reunite with myself and my friends from 17yrs ago.
Can it get more intense than that?
Instead of mushrooms, this time, I acquired two hits of LSD, which day I plan to do it, I have.no clue, however super excited.
Please excuse my typos and other non sense. My phone is lagging right now and delaying key strokes