In studying the ancient "Dragon Lines" of legend, many of which cross sacred monuments, stone monoliths and circles of stones, modern scientists have discovered that there is a slight increase in electromagnetic activity and natural radioactivity in the areas examined. These "Ley lines" are described as "faults representing special energy zones in the landscape" and are "wholly natural." As Pendragon is that these lines are like to sides of a coin-both electromagnetic and magical. When Jennifer Drake pulled the sword from the stone, magic returned to the earth, replacing electromagnetism.