From the introduction: The giant alliance is beginning to crack! Until recently, the location of the frost giant stronghold was a well-guarded secret. Now, a map found in the treasury of the hill giant chief reveals its location. Descend into the Glacial Rift and face the cold wrath of Grugnur, the frost giant jarl. A Living Forgotten Realms adapted adventure set near the Evermoors for characters levels 14-19.