With the Moon in the sign of it’s exaltation this is one of the most powerful Full Moons of the year. The spirits of all those who have passed away through the previous calendar year return for one last sojourn before venturing permanently back into the land of shades.
For the pagan cultures of Europe there were two new years, May Day and Halloween. May Day represented when the Great Spirit returned to the land above with spring while Halloween represented when the wee folk were about during nocturnal visits.
Unseen currents were supposed to flow at this time. Both witches and elves knew how to ride these waves and so to travel from place to place. In Ireland tales of Jamie Freel are still told around the flickering light of nocturnal fires.
I’d be careful about seeking them out, however. You never can tell where those broomsticks have been.