Upgrade Your Unities Regularly
Speaking of Unities, make sure to check back with Tiki at the Bloom Palace regularly to see if you can craft any new Carnage or Radiant Unities.
Carnage Unities are basically new weapons you can equip on your characters in Tokyo Mirage Sessions FE Encore, and there’s no reason not to upgrade to a new one whenever you’ve got the chance.
Each Carnage Unity comes with a set of skills you can learn as you level up. Once you’ve mastered that weapon and learned everything there is to learn, you should try to craft a new Carnage Unity as soon as possible to give your characters access to a new skill set.
On the other hand, Radiant Unities are permanent passive skills for your characters. The early ones are crucial, as they give you more max EP and HP, and Tsubasa also learns a particularly helpful one that lets you teleport out of a dungeon anytime you want, at the expense of a bit of EP.
You’ll usually need to get items and Performa from defeating enemies in dungeons to craft new Unities, so these should come to you pretty naturally over the course of a playthrough.