New Game Plus

New Game Plus (or "New Game+") is a recurring feature in the Final Fantasy Series that allows the player to start a new game after they complete the game for the first time, normally players begin with rare items or abilities from their previous game.

Final Fantasy IV
The DS remake of Final Fantasy IV includes a new game plus features which allows the player to keep Augments and some Superbosses are only availiable in the second or third playthrough.

Final Fantasy X-2
A new game plus feature was also included in Final Fantasy X-2 and allowed the player to keep any experience they had gained toward Dressphere abilities, accessories and Key Items, like Al Bhed Primers.