The FAR easiest way is to spare the skillpoints of Level 2 upgrading for the skills the teacher teaches you. With them, it's rather easy to defeat Fergus.
I had found this out, after I started a whole new game.


When you find a big kettle of crazy, it's best not to stir it.
--Dilbert cartoon

"Interplay.some zombiefied unlife thing going on there" - skavenhorde at RPGWatch