| Picture | Description | Details - Normal | Details - NM | Details - Hell |
| Arachnon | A lesser Spider Lord | No resistances. | | HP: 220-260 Resists: Lightning |
| Felltwin | Gray two headed unseen only they do not disappear | No Magic resistances | HP: 175-205 No resistances | HP: 200-240 Resists: Fire, Lightning |
 Hellboar | A savage, bull-horned monstrosity who gores with its facial tusks. | HP: 40 - 50 No Magic resistances | HP: 220-250 No resistances | HP: 260-300 Resists: Fire, Lightning |
Unique
 Hork Demon {Boss level 3} | A large, knotted monster that horks up Hork Spawn when not otherwise engaged. Will surrender Thoedore when slain {quest}. | | Some resistances No immunities | |
 Hork Spawn | Small but vicious head creatures that bite with toothy, oversized mouths. They seem harmless until a bunch of them surround you and attack. They are born, exploding alien-like, out of the chest of Hork Demons. | HP: 15 - 15 Resists: Magic | HP: 145-145 Resists: magic | HP: 160-180 Resists: Magic |
 Lashworm | Wormy creature with an undercut scissor-tail attack. | HP: 15 - 15 No Magic resistances | HP: 145-145 No resistances | HP: 160-160 Resists: Fire |
| Necromorb | A stronger Psychorb. Fires a red star. Also floats away when approached. | HP: 15-20 Resists: Fire | HP: 145-160 Resists: Fire | HP: 160-180 Resists: Fire Immune: Lightning |
 Psychorb | A floating eyeball with six tentacles; the eye fires deadly bolts of highly-charged magic. | HP: 10 -15 No resistances | HP: 130-145 No resistances | HP: 140-160 Resists: Fire |
| Shredded, the | Hard to hit but not too dangerous. Impossible to determine if you'v hit them as they have no recovering animation. | Resists: Fire, Lightning | HP: 205-235 Resists: Fire, Lightning | HP: 240-280 Resists: Fire, Lightning |
 Spider Lord | This bipedal arachnoid attacks with its six free legs. Also has a spitting poison attack, like the dogs in Diablo. | Resists: Lightning | HP: 220-250 | HP: 260-300 Resists: Fire Immune: Lightning |
 Stinger | Small, scorpion-like creature that attacks with a barbed stinger. | No resistances | HP: 145-160 No resistances | HP: 160-180 Resists: Lightning |
 Torchant | Part worm, part ant, part demon monstrosity---it spits fireballs that explode upon impact. Run away when approached. | HP: 30 - 40 Immune: Fire | HP: 190-220 Immune: Fire | HP: 220-260 Resists: Magic, Lightning Immune: Fire |
| Venomtail | A slightly tougher variant of the Singer | HP: 20 - 25 Resists: Lightning | HP: 100 -120 Resists: Lightning | HP: 180-200 Immune: Lightning |
Unique
 Defiler {Boss lvl4} | This evil, praying mantis demon has two deadly attacks. The Defiler is the boss of the Festering Nest area. As if its slashing arms weren't enough to contend with, there is also its nasty stinger! Surrenders Cathedral Map when slain {quest} | Some Magic Resistances. Some Magic Immunities | Some resistances, some immunities {only lightning - immunity?} | |