How to Increase Maximum Cure Points (CP)
You can recover CP by resting at camp or in inns, using an item such as the Orange Gummy, and obtaining rare healing lights found in dungeons.
Increasing Your Max CP
As you progress further into the game and take on more challenging enemies and bosses, you will want to have a sufficient pool of CP to heal allies at low HP. Below are the ways to increase your maximum CP in the game.
Level up characters.
Whenever a party member levels up, the maximum CP will increase by a small amount. It is also easier to defeat tougher foes will an adequately leveled party so grinding for experience is always beneficial in the long run.
Obtain Astral Flowers by defeating Gigants.
Maximum CP also increases upon acquiring Astral Flowers dropped by Gigants roaming the different maps and locations in the game. They are incredibly challenging boss type enemies and will take keen preparation and strategy to beat. Because of this, try to organize your party and acquire skills that take advantage of their weaknesses and behavior.