A Key Discovery: King with the Key

Location info Level Required: Any Location: Yulgar's Inn Monsters and NPCs Monster Generation: Monster List: Frost King NPCs: Ulfgar Geirsson Required to Complete Quest Turn In: Key to Valhalla x1 Rewards Total Experience: 1000 XP Total Gold: 1000 Gold Total Reputation: Equipment Won: Key to Valhalla Notes: Must completed the quest Skulls, Bones, and Runestones

This DOES appear to be the real Velanda Runestone! What does it say? "in a northern cave of coal and sleet, a frosty king protects the key." The northern continent is very cold. Do you know of a king who resides there? A king of... coal, or frost? Or both?