How do you figure out how much ISO is actually available to the players? Just look, right? Find all the ISO, count it up, stick them all in a spreadsheet and there you go. Might be tedious, but pretty straight forward, right?
Right?
https://www.youtube.com/watch?v=ZUuSAjsmwzQReally, game? Really?

Nothing. Absolutely nothing.

(ALMOST) EVERYTHING YOU KNOW ABOUT ISO IS PROBABLY WRONG:
THE FIRST ONE(ALMOST) EVERYTHING YOU KNOW ABOUT ISO IS PROBABLY WRONG:
THE LONG ONE(ALMOST) EVERYTHING YOU KNOW ABOUT ISO IS PROBABLY WRONG:
THE ONE I BROKE UP INTO TWO PARTS TO PRETEND THEY WERE SHORTER