Huntsman of Silyun tells you, "You are new to Silyun, are you? If you are a skilled hunter, you may be of some use for me, in helping me track the most dangerous quarry of all: the assassin, Oswald! Of course, first you must prove your skill. Bring me the jaw of an Abhorrent, Ravenous, or Insatiable Eater, and we will talk of how you may help me."
You give Huntsman of Silyun Abhorrent Eater Jaw.
Huntsman of Silyun tells you, "So, you are indeed a mighty hunter of beasts. How are you as a hunter of men? I have been tracking the infamous assassin, Oswald, for some time. By last report, he traveled into a series of tunnels belonging to those grey giants, the Lugians. Please journey into the Lugian Ice Tunnels, located at 93.3N, 50.1W , and bring back any evidence of Oswald's whereabouts."