Magic can do any number of things, but like anything else, it has standards.
These standards are, of course, `spells'.
Spells of the `low spheres', directly affect their elements (Earth, Fire, Water, Air, or Fate).
Spells of the `elemental spheres', directly affect their elements (Earth, Fire, Water, Air, or Fate).
They produce powerful effects, but must affect people indirectly.
A fire spell might make fire explode in someone's face, but if that someone does not stand near a fire, then the Fire Sphere will not affect them, because most people are not made out of fire.