I started out making one of my mains a duel-wielding rogue, but quickly realized my mistake and switched to ranger (bow).
I don't really have any advice for you, other than to ditch Wolgraff and get Bairdotr.
People who know what they're talking about say that rogue is bad from early to mid level, then comes on strong in the later levels. But if you're level 13 and still not having fun with the character, I'd say change him out. At level 13, you should be using your skills to do damage a lot of the time.
In the original game, putting points into Sneak would reduce the AP, but not anymore. I just don't find the class that powerful, plus you can't nuke from a distance with one of your characters backstabbing.
