There are five elements, yes, five: Earth, Air, Fire, Water, and Akasha. These are the elements that make up the universe. The elements are nessasary for human life. All of them also have both positive and negative aspects, and each acts as a check for the others. Without the elements, the earth would be a lifeless planet. The elements work together to create and sustain life. According to some traditions, all the elements emerge from Akasha, the sourse of all energy.
Elemental magic exists to serve those of us in need. But, before you use elemental magic you must first learn their associations.