A howling crowd of trolls waits by the entrance of an ancient dwarven fortress. They growl, pound the stone fl

A howling crowd of trolls waits by the entrance of an ancient dwarven fortress. They growl, pound the stone floor with their fists and clubs, and spit curses at you. Each sound is magnified, hammering the walls like a drum. Despite this display, however, the trolls do not attack, as if awaiting a command — or permission.