I'm not really much of an expert when it comes to Fire but for a thourough explanation you should see Sanahtlig's Kamihime Project Guide here https ://docs.google.com/document/d/19K_dU3rCief_ajPGS9YBuVdxXBYFyCGGXAxYYyK0jzg/edit#
Keep scrolling down on the Plan section until you find Elemental Team-building Guide of each attribute.