Limit Breaker is a recurring term and item in the Final Fantasy series.
Limit Break is an Augment in the Nintendo DS remake of Final Fantasy IV. It is obtained at the completion of a playthrough of the game and can only be used in a New Game Plus playthrough. There is a max of three Limit Breaks that the player can receive, and when used, allows a character to break the damage cap of 9,999 damage, allowing them to hit up to 99,999 damage.
Not to be confused with Limit Breaks, a Limit Breaker is an item which transforms Vincent Valentine into his altered form, the Galian Beast. The term Limit Breaker is a reference to his Limit Break in Final Fantasy VII. Up to three Limit Breakers can be held at any one time.
Limit Breaker is a title and key item that can be earned. After a player has reached level 75, which was until recently the highest level in the game, having completed Genkai at level 50, 55, 60, 65, and defeating Maat at level 70, s/he attains this title and also the ability to earn Merit Points.