They use Lifeshaver often to absorb the party's HP and heal themselves, and their special attack Enmity can Blind party members. Fortunately, if any of the party members are equipped with Gaia Gear, Lifeshaver's effect will be reversed to heal the target party member and damage the Misfit. With Lifeshaver's damage nullified the main danger of the Misfit is gone. Fira attacks are effective for defeating them.