How to get there: Among the distant southwestern wetlands of the Drowned Fens.
Mire hydras (level 105) and Bog wraiths (level 110) inhabit this cave. Eight residents occupy one continuous floor, with wide passages between the hunting areas.
Look for the campfire and bench outside. Read the warning before descending; the southern lamps lead back to the surface ladder. The landing has stone cover but is not a protection zone. Bring food and a light, and finish or escape combat before using the ladder.
A guarded supply chest in the northern recess can be opened once per day per character. It contains a small amount of coins and sometimes food or a potion; it does not award rare equipment.