Difficulty modes that you can unlock in the game. It provides more experience, more SP, and a greater challenge.
Fight 200 battles under the Hard difficulty setting.
After completing the game, make a new file for your save data. Access the Extras Menu from the Main Menu and choose New Game +.. You will be able to access the Grade Shop where you can buy extra stuff that affects your next game with the Grade Points you received upon completing the game.
Complete the main story.
When preparing for a big fight, be it a boss or otherwise, there is a way to adjust your Accel Meter and Eleth Gauge accordingly before the battle. Use the nearest save point, then exit to the main menu. Go into "Trials of Graces" and repeat a challenge in your level range. This will not raise your level, skill point, or gald in any way, but will raise the arte count, Accel Meter, and Eleth Gauge and save it's status upon exit, allowing you to start the next fight in your favor!
Complete the following tasks to unlock PlayStation 3 trophy rewards.