The Gates of Firestorm Peak
Bruce R. Cordell
 The Gates of Firestorm Peak begins in the Shirelands at the village of Longbridge, located in the foothills of the mountain range that contains Firestorm Peak. In prehistory, the Elder Elves thrived during a previous Age of the world, and created a magical laboratory under Firestorm Peak where they opened a gate to the Far Realm which opens every 27 years. Over time, the bizarre physical laws and alien madness of the other dimension began to warp the areas underneath the mountain. Three hundred years ago a colony of duergar settled nearby and became guardians of the corrupted area. Decades ago, the evil conjurer Madreus bypassed the duergar and gained mastery of the Far Realm creatures residing in the complex underneath Firestorm Peak. In the last five years, he gained control of the duergar, and his studies and experiments have begun to cause manifestations of warped behavior in nature and society to spread beyond the legendary mountain. If not stopped by the player characters, the gate will eventually provide Madreus with the energies and allies he needs to bring the Far Realm's madness to the rest of the world.