What I find interesting about it is some of the attack properties. Even though it's a turn-based game, you can interrupt a foe's attack with your own's, and some of them have different properties. If the interruption is successful, you can reduce the damage output that you were about to receive by a high amount. There's also counter attacks, if your monster gets hurt, the follow up attack will be stronger. If I recall correctly, some of these can turn from being a simple attack directed at one enemy to a powerful group-nuke. Another attack consisted on hitting an enemy (or a group, can't remember), and if you killed something with it, your monster would automatically do the same attack in the same turn for no additional MP cost, as long as it killed something.
Note: This topic isn't limited to just Action games, as you may have noticed.