Krunch can answer this himself, and he has...
QUOTE (Krunch @ Page 16)
That's a loaded question, Pinky.
We all do what we must to make our way in this world and unfortunately sometimes we have to do things others qualify as 'Evil'.
Either get used to that idea or you're not going to last long.
He doesn't perceive things as good or evil but rather as necessary or unnecessary. If he can get by without doing harm, he will - as he did when he opened a breach between the gnomes and the group. But if harm is needed he won't hesitate.
Wait... he DID stab Fitch again and again... I may have to rethink my theory here.