Galtok is a gnome who can be found running away from some kobolds at 3100, 2870 of the surface area outside the Nashkel Mines. He will talk to the party upon seeing them. No matter what your reply, it will cause 4 kobolds to spawn around his initial location and him to free.

He can be killed without reputation penalty for his Mage Robe of Fire Resistance and minor loot, but if you want to hear the dialogue and the 4 (non-quite nevertheless) kobolds to spawn as well, you either have to be quick killing him before he flees, or charm him and give him any order to prevent him fleeing before attacking (you can also change his weapon to fist to make him dealing less (and non-lethal) damage.