Fira

Fira (Japanese: ファイラ Faira), known as Fire2 in earlier games, is a Black Magic spell serving as an upgrade over the Fire spell. It has appeared in numerous Final Fantasy games, and it first appears in Final Fantasy.

Final Fantasy
In Final Fantasy, Fira can be learned from the Level 3 Black Magic Shop in Elfheim. When used, Fira inflicts medium fire damage on all opponents. Fira uses 15 MP for each use. In the original Nintendo Entertainment System version, the Fira upgrade cost 1,500 gold, and starting with the Final Fantasy I & II: Dawn of Souls remake, its price was reduced to 1,000 gil.

Fira was originally named FIR2 in the Nintendo Entertainment System release and Fire2 in Final Fantasy Origins.

Final Fantasy (NES)

 * Nintendo Power Strategy Guide (page 20): "The second fire spell inflicts between 30 to 120 points on each enemy."

Final Fantasy I & II: Dawn of Souls

 * "Deals fire damage to all foes." (Black Magic Shop)