Don't tell us you haven't read the main menu?
There's a thing called PP CATALOG, that is, it's where you can buy stuff with your PP.
And don't tell us you haven't read the results scrolling at the top of the screen when you finish a battle, because at some point it says "Won 10 PP", after the Exp, AP, and Gils.
The fact that you don't read is already an issue, but the main one seems to be that you are barely awake of even conscious at all.
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Official Tempest > Meo Twister spammer in F.Chaos' face of DDFF boards.