Fire

Fire, according to Classical Elemental Theory, is a primary element, and according to Elemental Field Theory is the Enthalpic Field in its first energy state.

Classical Elemental Theory (CET)
CET describes Fire as one of the primary elements.

Elemental Field Theory (EFT)
EFT describes Fire as excitations in the Fire Elemental Field, which resonnates with the Enthalpic Field, caused by Fire Elementons.