Oh, and another tip.....try to study enemies.....its pretty easy (tho takes long) to kill a bear with a lvl1 character if you use "Q" (backjump) at the right moment.
This way, you can easily kill powerful foes, tho it might take a lot of time to kill them.
It doesn't really work if you're fighting against loads of enemies, but its great against a single one at a time.