After Completing the Game, Choose it on Chapter SelectĪfter you've completed the main story once, you'll unlock the Chapter Select feature. Even in the middle of a chapter, if you find that you're struggling or want to amp up the action, you can change the difficulty to match your preference. You can use this option to change the difficulty setting at any time outside of a battle.
From there, choose the difficulty you would like the game to change to. Select Options -> Gameplay -> Difficulty. How to Change Difficulty Change it in the System Menu