From the folklore or fantasy, regions represent places unknown to the characters, and situations of liminality and transformation.
The forest can feature as a place of threatening danger, or one of refuge, or a chance at adventure.
Places of mystery and enchantment, there are mythical creatures that live in the forests like Gods of the tree or Dryad, Dragons, Dwarfs, Elves, Fairies, Giants, Gnomes, Goblins, Trolls, Unicorns, and other mythical creatures.
A belief in spiritual being, fate or magic, perceived supernatural influence, or fear of that which is unknown.