A One-Round Living Greyhawk Principality of Ulek Introductory Adventure From the introduction: With the Warlord’s threat diminished, daring prospectors have already begun setting out from Thunderstrike in the hopes of striking it rich. While some return with tales of rich lodes of ore and gems, and others with tales of want and frustration, one has come with a tale stranger still. A Principality of Ulek regional adventure for first-level characters.