“ This module contains background information, referee's notes, player aids, a complete map level, a cutaway view of the mountain complex, and more than 15 pieces of art for both DM and player. WHITE PLUME MOUNTAIN is from the special ("S") series; like others in the series, it is meant to stand on its own and is a complete ADVANCED DUNGEONS & DRAGONS adventure. The recommended number of players is four to ten, with levels ranging from fifth to tenth.
An Adventure for Character Levels 18 and up”