These are lines of unseen energy that cross the earth. When the lines intersect, an energy vortex is formed. Ancient mystical sites are said to be built on such vortex points, and they attract non-physical entities. Homes or buildings near these points are more likely to be haunted than are other locations.
The Dark Wood Tarot
We usually feature stand alone books here. However, our decks' companion books are all excellent in their own right. Here is an example from the Sasha Graham's Dark Wood Tarot.
Strength is the archetype...