Strange magical creatures, frobgoblins are evil tricksters who like nothing more than to dismember adventurers at their leisure. Hoping to capture luckless adventurers, their frequent construction projects--magical and mechnical puzzles, traps, and mazes--are scattered throughout the entire land of Zork.

During the Great Monster Uprising of the Second Age of Magic, frobgoblins were reported in the following regions: Frigid River Valley, The White CliffsThe Casino in Port Foozle, FenshireThe Gray Mountains Asylum, Mirror Lake, Antharian Caves, Granola Mines, Mines of Mendon, PheeborForest of Youth, Gurth Woodland Trial, Miznia MarshlandsThe Lost Castle of Y'SyskaKovalli Desert, The Glass MazeThe Old Lingolf House, Largoneth Castle, and the G.U.E. Tech Training Grounds in the Ethereal Plane of Atrii.

SOURCE(S): Legends of Zork