Recap
The party escaped The Feywild and came out near a drow city in the Underdark, Dubarozan, deep below the Ridgeway. They took the relic shield they had come for, fought a plant monster, knocked out a drow guard and were helped out by a duergar janitor who told them they had tripped an alarm. The shield chamber showed a lanky drow woman and a white-bearded armoured dwarf, with grooves where a series of strings between them had been removed.
On a narrow cliff above the city they fought Brenor The Storms Fury, one of The Eightfold, and killed them; Kael Sunstrike did much of the damage. Brenor had been placed in the Eightfold by The Nocturnal Loom. With the city roused, the party fled into the tunnels toward the dwarf city.