 Roshamuul Prison | Roshamuul | 250 | Betrayed WraithNightmareLost Soul+12 |
 Rotten Wasteland | Kilmaresh | 600 | Branchy CrawlerMould PhantomRotten Golem |
 Runs of Nuur | Issavi | 300 | Venerable GirtabliluGirtablilu Warrior |
 Salt Caves | Issavi | 300 | Juvenile BashmuBashmu |
 Sea Serpent Area | Svargrond | 70–110 | Deepsea Blood CrabYoung Sea SerpentSea Serpent |
 Seacrest Grounds | Rathleton | 120–130 | Abyssal CalamaryBlood CrabShark+13 |
 Secret Library | Carlin | 300–350 | Flying BookInk BlobGuardian of Tales+17 |
 Shadow Caves | Ab'Dendriel | 8 | TrollTroll Champion |
 Shadow Tomb | Ankrahmun | 19–20 | Cave RatSnakePoison Spider+21 |
 Shadowthorn | Venore | 30 | Bog FrogElfToad+10 |
| Silencer Plateau | Roshamuul | — | — |
 Souleater Mountains | Farmine | 95–150 | Death BlobMutated RatMutated Bat+3 |
 Sparkling Pools | Edron | 600 | Emerald TortoiseGore HornGorerilla+2 |
 Spider Caves | Port Hope | 60–70 | Poison SpiderTarantulaGiant Spider |
 Stag Bastion | Edron | — | DeerStagRaubritter Chastener+6 |
 Stalker Cave | Thais | 28–30 | StalkerBansheeGhoul |
 Stampor Cave | Farmine | 60–80 | Stampor |
 Stone Tomb | Ankrahmun | 13–15 | HyaenaPoison SpiderSkeleton+19 |
 Sunken Mines | Kazordoon | 30–35 | Deepling ScoutGroam |
 Sunken Quarter | Yalahar | 55–60 | Quara ConstrictorQuara MantassinQuara Hydromancer+5 |
 Sunken Temple | Port Hope | 250 | Deepling WarriorDeathling ScoutDeathling Spellsinger |
 Swamp Troll Cave | Venore | 7–8 | Swamp TrollSlugRotworm+4 |
 Tainted Caves | Venore | — | Tainted SoulToadGloom Wolf+2 |
 Talahu | Liberty Bay | 60–80 | CobraCrocodileScorpion+11 |
| Tarpit Tomb | Ankrahmun | 20–25 | Cave RatPoison SpiderSkeleton+18 |
 Temple Complex | Farmine | 150 | Mutated BatMutated TigerLizard Legionnaire+9 |
 Temple of Equilibrium | Farmine | 80–110 | Lizard LegionnaireLizard High GuardLizard Dragon Priest+3 |
 Temple of the Moon Goddess | Marapur | 400 | Naga WarriorNaga ArcherMakara |
 Terramite Breeding Tunnels | Darashia | 30–35 | Terramite |
 Thais Bandit Cave | Thais | 15–20 | BanditBat |
 Thais Bat Dungeon | Thais | 8 | Bat |
 Thais Dragon Lair | Thais | 40–60 | Dragon HatchlingDragon Lord HatchlingDragon+2 |
 Thais Sewers | Thais | 6 | RatCave RatSpider+1 |
 Thais Troll Cave | Thais | 8 | RabbitSnakePoison Spider+12 |
 Thais Wasp Dungeon | Thais | 10–12 | Wasp |
| Thais Wolf Den | Thais | 8 | Cave RatRabid WolfRagged Rabid Wolf+1 |
 Thais Wolf Dungeon | Thais | 10–12 | SnakeSpiderWolf+1 |
 The Arcanum | — | — | VampireEfreetLich+6 |
 The Battlefields | — | — | NightmareDestroyerHellfire Fighter+6 |
 The Blood Halls | — | — | Dark TorturerBetrayed WraithLost Soul+1 |
 The Cave | Carlin | 28–35 | SmugglerBanditPirate Marauder+5 |
 The Crystal Caves | — | — | Crystal SpiderSpectreIce Golem+1 |
 The Dark Path | — | — | Hellfire FighterMassive Fire Elemental |
 The Extension Site | Thais | 350–450 | FuryRetching HorrorFloating Savant+3 |
 The Foundry | — | — | JuggernautHellfire FighterPlaguesmith+2 |
 The Hive (Demon Forge) | — | — | BonebeastAncient ScarabNightmare+4 |
 The Mirror Maze of Madness | — | — | PhantasmNightmareGiant Spider |
| The Soul Wells | — | — | Betrayed WraithSpectreLost Soul+2 |
 The Sunken Cave | — | — | Massive Water ElementalQuara PincherQuara Predator+1 |
 The Vats | — | — | Son of VerminorPlaguesmithBlightwalker+1 |