The Dwarven town of Grimroot is accessed from the door next to level 80 mines. The door key required is in 4 parts and is obtained in the lvl 80 mines. Grimroot contains the usual shops and a Dwarf Chief (207,235) and Dwarf Shaman (244,187) who have quests for you to do in mines levels 90 through 120, and the Lizard Swamp, both of which are accessed from the town.