 Chazorai | Farmine | 90–120 | Lizard LegionnaireLizard Dragon PriestLizard High Guard+14 |
 Chocolate Mines | Candia | — | Candy HorrorNibblemawHoney Elemental+3 |
 Chor | Port Hope | 50 | Poison SpiderBatCobra+8 |
 Chyllfroest | Svargrond | — | PenguinWinter WolfChakoya Toolshaper+26 |
 Claustrophobic Inferno | Kilmaresh | 600 | BrachiodemonInfernal DemonInfernal Phantom |
 Cobra Bastion | Ankrahmun | 300–350 | Cobra ScoutCobra AssassinCobra Vizier+8 |
 Cormaya Dwarf Cave | Edron | 30–35 | DwarfDwarf SoldierDwarf Guard+1 |
| Corrupted Mines | Newhaven | — | Corrupted GhostCorrupted Skeleton |
 Corruption Hole | Farmine | 100–140 | Death BlobMutated TigerMutated Bat+6 |
 Corym Black Market | Liberty Bay | 45–50 | BatCave RatCorym Charlatan+14 |
 Corym Mines | Venore | 60–80 | Corym CharlatanCorym SkirmisherCorym Vanguard+4 |
 Court of Summer | Feyrist | 150 | Lacewing MothCrazed Summer VanguardCrazed Summer Rearguard+3 |
 Court of Winter | Svargrond | 150 | Hibernal MothCrazed Winter VanguardCrazed Winter Rearguard+3 |
 Crimson Court | Thais | — | Infernoid BlobInfernoid HoundInfernoid Soul+2 |
 Crumbling Caverns | Edron | — | Cinder WyrmlingShell Drake |
 Crystal Enigma | Edron | 600 | HeadpeckerMantosaurusMercurial Menace+2 |
 Crystal Gardens | Liberty Bay | 70–80 | Pirate SkeletonPirate MarauderPirate Cutthroat+9 |
 Crystal Grounds | Kazordoon | 80 | Earth ElementalCrystal CrusherWyvern |
 Cult Cave | Liberty Bay | 25–30 | Novice of the CultTarantulaWitch+8 |
 Cyclopolis | Edron | 34–45 | CyclopsCyclops DroneDwarf Soldier+15 |
 Cyclops Camp | Thais | 20–25 | WaspWispCyclops+1 |
 Darama Terramite Cave | Ankrahmun | 30–35 | Terramite |
 Darashia Dragon Lair | Darashia | 40 | DragonDragon HatchlingDragon Lord+1 |
 Darashia Rotworm Caves | Darashia | 7–8 | RotwormCarrion WormRotworm Queen |
 Darashia Wyrm Hills | Darashia | 60–90 | DeerSandcrawlerLion+3 |
| Dark Cathedral | Venore | 20–25 | BatPoison SpiderCentipede+24 |
 Dark Grounds | Roshamuul | 200–250 | Sight of Surrender |
 Dark Pyramid | Darashia | 7–8 | MinotaurMinotaur ArcherMinotaur Guard+2 |
 Darklight Core | Northern Darama | — | Walking PillarDarklight SourceDarklight Striker+1 |
| Dawnport Crystal Dungeon | Dawnport | 10 | Mountain TrollTroll Trained SalamanderDawnfly+3 |
 Deep Desert | Darashia | 250–300 | SandcrawlerSkeleton Elite WarriorUndead Elite Gladiator |
 Deeper Banuta | Port Hope | 90–120 | CentipedeGargoyleCarniphila+25 |
 Deeper Catacombs | Darashia | 10–15 | RatCave RatSkeleton+3 |
 Demon Forge | Edron | 100–105 | Fire DevilFire ElementalHellfire Fighter+44 |
 Demon Hell | Edron | 100 | Fire ElementalDemonBanshee |
 Demona | Carlin | 70–100 | Minotaur GuardStone GolemDwarf Guard+5 |
| Demonwar Crypt | Edron | 60–70 | Askarak DemonShaburak DemonAskarak Lord+3 |
 Desecrated Glade | Kazordoon | 100 | Cave ParrotOrclops DoomhaulerOrclops Ravager |
| Desert Dungeon | Kazordoon | 25–30 | RatSpiderPoison Spider+14 |
 Dessert Dungeons | Candia | — | Angry Sugar FairyCandy Floss ElementalGoggle Cake+1 |
| Draconia | Ab'Dendriel | 40–50 | BatPoison SpiderSkeleton+9 |
 Dragonblaze Peaks | Farmine | 40–50 | Dragon HatchlingDragonDragon Lord Hatchling+3 |
 Dream Labyrinth | Feyrist | 250 | Hibernal MothLacewing MothCrazed Summer Rearguard+7 |
 Drefia | Darashia | 13–20 | Skeleton WarriorGhoulPirate Skeleton+29 |
 Drefia Grim Reaper Dungeons | Darashia | 150–170 | Tarnished SpiritDemon SkeletonZombie+7 |
 Drefia Wyrm Lair | Darashia | 80–90 | SkeletonScorpionSkeleton Warrior+11 |
 Drillworm Caves | Kazordoon | 90–120 | Carrion WormStone GolemEarth Elemental+3 |
 Druid Room | Venore | 70 | Diabolic ImpNightmareSpectre |
 Dryad Gardens | Edron | 40–50 | RabbitDeerEmerald Damselfly+7 |
| Dusalk's Troll Clan Cave | Kazordoon | 8–9 | BatRatBug+6 |