Dungeon Levels: Found in The Horror of the Harpies II – 5 shown
Each pair of floors on a particular dungeon are occupied by the same set of monsters, though those on the lower floor are slightly tougher
Levels
The set of creatures that can appear on these dungeon floors
Creatures
1–2 Ranger, Skeleton, Thief, Giant Rat, Bat
3–4 Spider, Viper, Orc, Cyclops, Gelatinous Cube
5–6 Ettin, Mimic, Lizard Man, Minatour, Carrion Creeper
7–8 Tangler, Gremlin, Wandering Eyes, Wraith, Lich
9–10 Invisible Seeker, Mind Whipper, Zorn, Daemon, Balron