Now some may say that it is the same as the mind-trip in Point Lookout. However, in Point Lookout the weird zany shit you see is stuff from your memories and
Things that are distorted in a dreamscape and at the end? You fucking pass out. In Far Harbor you literally follow a ghostly figure that only appears out of thin air once you drink from the water
So I just turned the quest in, right? And I told the guy about the figure I followed, right? And he says it is the mother of the fog. So it is not just something 'my' characters brain cooked up. It's an actual spiritual entity. Man this quest might give Cabot House a run for its money.