The fact that running drains health. Combine this with a painfully slow walking speed, and players are torn between getting bored moving slowly from point A to point B, or going there quickly but having lower HP.
Some enemies can break your equipment. Not fun.
You can't choose which enemy you attack. The game has each character's AI choose their target instead, taking much of the strategy out of the player's hands.
Combat and Virtue modes, which boils down to having to choose between getting XP from a fight or items, doubling the amount of grinding required.
Suspiciously Similar Song: Unlike all the other games in the series, the Dragon Song soundtrack has no input from composer Noriyuki Iwadare. However, many of the songs are basically well-executed variations on songs Iwadare wrote for prior Lunar games.