Deep beneath the ruined fortress of Skullcap, past the remains of the dread wizard Fistandantilus, lies a path to the sealed gates of dwarven Thorbardin, and somewhere along it, the lost helm of Grallen, son of the legendary King Duncan. Whoever recovers the helm stands to reunite the fractured dwarven clans and be honored across Thorbardin, but disturbing Skullcap's buried horrors may cost far more than the reward is worth.
Summary by Loreful, from public sources