From the introduction:
The Regent of the Mines has been fighting a losing war against the Orcs of the Dwoemer Realm. A recent foray into the depths has returned a fantastic engine core to power the Dwarves most impressive war machine yet. This giant tunneling vehicle, armed with the Wizards’ Cabal weaponry and hardened plates of ferrous adamantine is destined to take the fight to the Orcs in the dark recesses of the world where the green skins live and breed. This giant harbinger of death can cause the very ground to shake and the rock to tremble. Gnome engineers have named this invincible weapon Rolling Thunder. Unfortunately, last night, someone stole it...
A Dave Arneson’s Blackmoor one round adventure for players levels 7-13.
Part two of the series, “Blood from the Stone.”
WARNING: This adventure takes place in the Dwoemer Realm and is recommended for well balanced parties and players who have previously participated in Episode 84: From Below and Episode 85: A World Without Sunshine.