Fusion Ability

Fusion Ability, identified as F-Ability in the battle menu, is a term from Final Fantasy Dimensions. When a character possesses two abilities which can cause more powerful abilities, they allow for some characters to perform the Fusion Abilities they provide. They are revealed at Mount Liene in Chapter 1 after Sarah shares some information with the party about her past.

Fusion abilities by job
Abilities listed in italics are available to multiple job combinations.