PP?
Stands for either Power Points or Perk Points. Usually corresponds 1:1 with GURPS's Character Points, but sometimes it doesn't (typically when the rules of the two systems don't align).
How would Stella's Stuff work in the GURPs system GWG?
She just turns into her draconic form, right?
Also: This is what you get for ninja'ing my posts, GWG. 
Well-deserved.
I should see if any GURPS supplements let
Bloody Murder work better.
Relatively unimportant shit for lore purposes.
Also the occasional important bit, like (poorly-explained) sky-high unemployment rates and New York being a devastated wasteland. (Which isn't helping the US be more open to magic.)