Ran online help! Attribute questions?

I'm a brawler and I don't know if I have to increase my vit because my friends alwas increase only one attribute...Should I increase my vit or should I stay to dex...I already put 3 points to vit|||I am an archer and I put all my points in dex. Depends on what skills you would like to have. You may check the brawler skills and see the requirements. For skills, type "k" when in the game.