There are four universal elements involved in magic or manifestation. The universe is made up of four universal elements which are wind, water, earth and fire. They are also the elements of creation. Therefore in your work of reality creation, these four elements must be used for your manifestation to be complete. The reason for any failure of manifestation is only because of misalignment in any of these elements. Four is the number of creation. The more you know about the universe, the better you can create.