add airFire3

spells/airFire3.tex

+\spell{Hearth Blast}% Name
+  {\mAir\ and \mFire}% Spheres
+  {Wax}% Action
+  {\divergent, \duplicated}% Enhancements
+  {Crafts}% Skill
+  {A fire explodes over \spellArea\ targets who lose \arabic{spelllevel}~\glspl{ap} and take \arabic{spelllevel} Damage}% Description
+  {
+    The caster encourages a fire to burn to explosion, knocking back the nearest \spellArea\ targets.
+    Each one loses \arabic{spelllevel}~\glspl{ap} and takes \dmg{spelllevel}~Damage.
+  }