However praiseworthy it may be, they seldom solve problems. At times, I believe it would be faster to call the police directly. Please be careful. The trolls will ask you a lot of money for their work. Although their king rarely works because his skin allows him to pretend he's not there at all. It can hide itself very well into any landscape. This stratagem should bear fruit, in theory. But their opponents...

     They are evil : during a war, they usually put some pieces of fire around the castle until it starts to burn and citizens have some arguments with each other. Usually, a wise man makes a wish for the conflict to end, but it has to be a passive wish.