Your Skills are dependent on a Profession you chose and the weapons you are wielding, and Skills are dependent in dual wielding depending on which hand you're using your weapon.
-.-
I mean...come on Bethseda. People are out there updating MMOs and RPGs for a newer and better evolved generation. Why didn't you? There is so much customization character depth in GW2 is overwhelming. But it's still a lot of fun, a lot of experimentation to find out what you like.