Inside , they discover that the public is in chaos and has chosen to give up their own autonomy .
In response , the Phantom Thieves make a final heist to steal the Treasure of Mementos , the people 's Palace at the Metaverse 's core .
Inside , Phantom Thieves discover that the public is in chaos and has chosen to give up Phantom Thieves ' own autonomy .
In response , the Phantom Thieves make a final heist to steal the Treasure of Mementos , the people 's Palace at the Metaverse 's core .