 Instructions are given in the first pages of the module on where to place it in the worlds of Greyhawk, the Forgotten Realms, and Eberron (the three primary campaign settings of "D&D" at the time of release).The adventure was indicated as appropriate for characters of experience levels six to twelve,
but the designers have stated that it is targeted to levels five to eleven.It is also the first Wizards of the Coast "Dungeons & Dragons" adventure to make significant use of designer notes.