XIII is an interactive movie.
Farming tetrazohedrons or farming ish you can sell for gil though is a beesh. or trapezohedrons. whatever they are. I'm on the last uhm. Feck. Ci'eth stone - the 2 Reykjavic whatever things that pretty much kill you in one go 'cuz there's 2 of 'em and they blast you with their death rays. And all my peeps are totes levelled up - in every job class.
Or well. They -were-. That save is on my ex's 360. Along with the actual game itself. damnit.