Check Your Stacks
Be sure to check your party stacks every now and then. As you capture more Mirages, you’ll have more options to experiment with when customizing your party. Mirages come in three sizes: small, medium, and large, so you’ll have to fill up your three Mirage slots with different sized monsters. Do note that you can gain different elemental abilities and weaknesses with certain Mirages, so be sure to equip the ones that suit your play style.
Lann and Reynn also have their Lilikin and Jiant forms, and you’ll always start a battle with whichever form you have them taking on at that specific moment in time. It’s a good idea to set up party stacks for both forms too, so you’re never caught off-guard when you’re experimenting with one form or another.