ARACHNON - Festering Nest level 1-2
A lesser Spider Lord.

THE DEFILER - Festering Nest level 4
The boss of level 4. A preying mantis demon, who attacks with slashing arms and a stinger. Will give up the Cathedral Map.

FELLTWIN - Festering Nest level 1-2
A gray, 2-headed unseen that do not disappear.

HELLBOAR - Festering Nest level 1-2
A savage, bull-horned creature, who gores with its facial tusks.

HORK DEMON - Festering Nest level 3
Boss of Level 3 of the Festering Nest. A large, knotted monster that horks up hork spawn. It has no immunities, and will give up a magical item.

HORK SPAWN - Festering Nest level 2-3
Vicious, head creatures that bite with toothy oversized mouths.

LASHWORM - Festering Nest level 3-4
A worm-like creature that attacks with an undercutting scissor tail.

NECROMORB - Festering Nest level 3-4
A floating eyeball with tentacles; fires red stars.

PSYCHORB - Festering Nest level 1-2
A floating eyeball with tentacles; fires charged bolts.

THE SHREDDED - Festering Nest level 1-2

SPIDER LORD - Festering Nest level 3-4
A spider that walks on 2 legs, leaving the other 6 free for attack. Also attacks by spitting poison.

STINGER - Festering Nest level 1-2
A scorpion-like creature, who attacks with its stinger.

TORCHANT - Festering Nest level ?
Part ant, part worm that spits fireballs that explode on impact.

VENOMTAIL - Festering Nest level 3-4
A scorpion-like creature, who attacks with its stinger. Stronger than the Stinger.

ARCH LICH - Demon Crypts level 3-4
A floating skeletal ghost, stronger than the Lich. Fires yellow magic stars, and retreats when approached.

BICLOPS - Demon Crypts level 3-4
A 2-headed brute, who swings a huge battle axe.

BONE DEMON - Demon Crypts level 3-4

CRYPT DEMON - Demon Crypts level 2-3
A metal or stone golem-type creature who crumbles when he dies.

DEVIL KIN BRUTE - Demon Crypts level 1-2
A variation of the Devil Kin found in the church crypts.

FIREBAT - Demon Crypts level 1-2
A creature that attacks with fire, retreats when approached.

FLESH THING - Demon Crypts level 3-4
A creature that moves slowly due to wheels on his left leg.

GRAVE DIGGER - Demon Crypts level 1
A slow-moving zombie-type creature. He will regenerate hit points if he is allowed to dig.

HELLBAT - Demon Crypts level 3-4
A stronger variation of the Firebat, that attacks with fireballs.

LICH - Demon Crypts level 1-2
A floating skeletal ghost, that fires fireballs. Disappears and retreats when approached.

REAPER - Demon Crypts level 3-4

SATYR LORD - Demon Crypts level 1-2
A winged, larger version of the goatboys from the catacombs.

SKULLWING - Demon Crypts level 1-2
A skeletal creature; can be killed by holy bolts.

TOMB DEMON - Demon Crypts level ?

TOMB RAT - Demon Crypts level 1-2
A rat-like scavenger, that attacks with bucked teeth

WINGED DEMON - Demon Crypts level ?
A stronger version of the Skullwing; fires magic stars.

NA-KRUL - Demon Crypts
The boss of level 4. Has no resistances. He will surrender a bow, staff, sword, and book of Apocalypse.