Justine and Caroline, who form the Strength Confidant in Persona 5 Royal, require a special collection of Persona in order to increase their rank.
These demons can be slightly tricky to get if you don't plan ahead, and if you want to make the most of the game, you're best off completing this social link as soon as each part of it becomes available.
The demons the twins request are different from the base version of the game – below you will find the updated list, and the most efficient steps towards unlocking the demon in question.
Their requests can be fulfilled at any point, but cannot be fully completed before reaching Niijima Palace. If you miss any demon in a palace, they can be found later in Mementos. P5R Futaba Hermit Confidant
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