I did not die yet when fighting a mob yet although I killed a lot of mobs with names including "vile", "lord", "maulber" and "ulber". However I changed tactics from using weapons only to using a combination of weapons and magic. Now that relaxing sleep is working (again), you can even kill some of those mobs using magic without wasting potions. I admit that my character's skills are quite high, but maybe changing tactics might work for lower level characters, too.
Additionally, it is possible to kill stronger mobs when using a good timing and aggressive stance (is also good training for duelling).
I remember that when I started playing, people grouped to go for an "Ulber hunt". It was more fun than grinding the same mob alone all over. Of course there are always a lot of drinks at tavern after a stressing hunt