No autosave or previous saves?
And if you do start over, don't feel sad. It will be a different experience. I restarted from level 11 today.
By the way, if you are playing warrior, take a look at this topic. It has a lot of helpful advices:
Character Optimization. I am playing a Warrior-Mage, that is Paladin type character following this topic. Nice array of melee attacks and spells for any situation. Intelligence ftw.
