A |
| Name | CR | Source |
| Aboleth, Savant | | Monstrous Compendium Annual 2, Evils of Haranshire |
| Addazahr | | Monstrous Compendium Annual 2 |
| Amiq Rasol | | Monstrous Compendium Annual 2 |
| Arch-Shadow | | Monstrous Compendium Annual 2 |
| Arch-Shadow, Demi-Shade | | Monstrous Compendium Annual 2 |
| Automaton, Triobrand's - Ferragan | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Automaton, Triobrand's - Silversann | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Automaton, Triobrand's - Thanatar | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Axe Beak | 1 | Tome of Horrors 1, 1E Monster Manual 1, Arms and Equipment Guide, Monstrous Compendium Annual 2, Forgotten Realms (MC3) |
B |
| Name | CR | Source |
| Bat, Sporebat | 10 | 3E Fiend Folio, Monstrous Compendium Annual 2 |
| Beetle, Dragon | | Monstrous Compendium Annual 2, City by the Silt Sea |
| Bi-Nou | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Bi-Nou, Rocklord | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Bi-Nou, Rockworm | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Bloodthorn | 3 | 3E Fiend Folio, Monstrous Compendium Annual 2, Planescape Appendix 2, 1E Monster Manual 2 |
| Boggle | 3 | 3E Monster Manual 2, Monstrous Compendium Annual 2, 1E Monster Manual 2, Secret of the Slavers Stockade (A2) |
| Brontotherium | 8 | Tome of Horrors 3, Monstrous Compendium Annual 2, Forgotten Realms (MC3), Expert Boxed Set, 1E Monster Manual 1, Creature Catalogue (AC9) |
| Brownie, Dobie | | Monstrous Compendium Annual 2 |
| Brownie, Quickling | 3 | Tome of Horrors 1, Monstrous Compendium Annual 2, 1E Monster Manual 2, Greyhawk (MC5), Monstrous Manual |
C |
| Name | CR | Source |
| Casurua | 12 | Dragon Compendium Volume One, Dragon#210, Monstrous Compendium Annual 2 |
| Cat, Crypt | 1/3 | Denizens of Darkness, Monstrous Compendium Annual 2 |
| Cat, Crypt - Large | | Monstrous Compendium Annual 2 |
| Cat, Great - Cath Shee | | Monstrous Compendium Annual 2 |
| Centaur-Kin, Dorvesh | | Monstrous Compendium Annual 2 |
| Centaur-Kin, Gnoat | | Monstrous Compendium Annual 2 |
| Centaur-Kin, Ha'pony | | Monstrous Compendium Annual 2 |
| Centaur-Kin, Zebranaur | | Monstrous Compendium Annual 2 |
| Chronolily | | Monstrous Compendium Annual 2 |
| Curst | | Monstrous Compendium Annual 2, City of Splendors, Dragon#30, Shadowdale, |
D |
| Name | CR | Source |
| Darktentacles | 7 | 3E Monster Manual 2, Monstrous Compendium Annual 2, Ruins of Undermountain 1 |
| Dinosaur, Allosaurus | 7 | Monstrous Compendium Annual 2, 3E Monster Manual 2, Forgotten Realms (MC3), 1E Monster Manual 1, Isle of Dread, Hollow World Campaign Setting, Creature Catalogue (AC9) |
| Dinosaur, Aquatic - Archelon | 8 | Stormwrack, Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1 |
| Dinosaur, Aquatic - Dinichthys | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1 |
| Dinosaur, Aquatic - Mosasaurus | 10 | Stormwrack, Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1 |
| Dinosaur, Aquatic - Nothosaurus | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 2 |
| Dinosaur, Aquatic - Plesiosaurus | 10 | Stormwrack, Monstrous Compendium Annual 2, Forgotten Realms (MC3), Menace Manual, 1E Monster Manual 1, Isle of Dread, Hollow World Campaign Setting, Rules Cyclopedia |
| Dinosaur, Aquatic - Tennodontosaurus | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 2 |
| Dinosaur, Brontosaurus | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1, Isle of Dread, Hollow World Campaign Setting, Creature Catalogue (AC9) |
| Dinosaur, Ceratosaurus | 7 | Serpent KingdomsMonstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1 |
| Dinosaur, Compsognathus | 1/2 | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 2, Dragon#318 |
| Dinosaur, Dimetrodon | 2 | Monstrous Compendium Annual 2, 1E Monster Manual 2, Isle of Dread, Dragon#318 |
| Dinosaur, Euparkeria | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 2 |
| Dinosaur, Gorgosaurus | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1 |
| Dinosaur, Iguanodon | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1 |
| Dinosaur, Monoclonius | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1 |
| Dinosaur, Plateosaurus | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1 |
| Dinosaur, Struthiomimus | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 2 |
| Dinosaur, Tanystropheus | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 2 |
| Dinosaur, Teratosaurus | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1 |
| Dinosaur, Trachodon | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1, Isle of Dread |
| Dog, Bog Hound | | Monstrous Compendium Annual 2 |
| Dog, Moor Hound | | Monstrous Compendium Annual 2 |
| Doppelganger, Greater | 12 | Dungeon#127, Monsters of Faerun, Monstrous Compendium Annual 2, City of Splendors |
| Dragon, Brine | Varies | Monstrous Compendium Annual 2, Otherlands |
| Dragon, Half-Dragon | | Monstrous Compendium Annual 2 |
| Dragon-kin, Sea Wyrm | Varies | Monstrous Compendium Annual 2 |
| Dwarf, Faerunian - Wild | 1 | Monsters of Faerun, Monstrous Compendium Annual 2, Races of Faerun |
E |
| Name | CR | Source |
| Ekimmu | 5 | Ancient Kingdoms Mesopotamia, Monstrous Compendium Annual 2 |
| Elemental, Nature | | Monstrous Compendium Annual 2, Ruins of Zhentil Keep |
| Elemental, Primal - Water | 35 | Monstrous Compendium Annual 2 |
| Elf, Winged | | Monstrous Compendium Annual 2, Complete Book of Elves, Races of Faerun |
F |
| Name | CR | Source |
| Fish, Floating Eye | | Monstrous Compendium Annual 2, 1E Monster Manual 1 |
| Fish, Hetfish | 5 | Dungeon#112, Monstrous Compendium Annual 2, Mordenkainen's Fantastic Adventure (WG5) |
| Fish, Masher | 6 | Dungeon#141, Monstrous Compendium Annual 2, 1E Monster Manual 1, Creature Catalogue (AC9) |
| Fish, Subterranean - Wattley | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Fish, Subterranean - Lemon | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Fish, Subterranean - Irridescent Plecoe | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Fish, Verme | | Monstrous Compendium Annual 2, 1E Monster Manual 2 |
| Flareater | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Flumph | 1 | Dungeon#118, Tome of Horrors 1, Monstrous Compendium Annual 2, 1E Fiend Folio |
| Flumph, Monastic | | Monstrous Compendium Annual 2 |
| Froghemoth | 13 | Ancient Kingdoms Mesopotamia, Trouble at Durbenford, Tome of Horrors 1, Monstrous Compendium Annual 2, 1E Monster Manual 2, Dungeon#128 |
G |
| Name | CR | Source |
| Ghaunadan | 5 | Monsters of Faerun, Monstrous Compendium Annual 2, City of Splendors |
| Ghost, Ker | | Monstrous Compendium Annual 2 |
| Ghul, Great | | Monstrous Compendium Annual 2, Al-Qadim (MC13) |
| Ghul-Kin, Soultaker | | Monstrous Compendium Annual 2 |
| Ghul-Kin, Witherer | | Monstrous Compendium Annual 2 |
| Giant, Half-Giant - Athasian | 1 | Expanded Psionics Handbook, Monstrous Compendium Annual 2, Dragon#167, Terrors Beyond Tyr |
| Golem, Burning Man | | Monstrous Compendium Annual 2 |
| Golem, Phantom Flyer | | Monstrous Compendium Annual 2 |
| Gulguthhydra | | Monstrous Compendium Annual 2 |
| Gulguthydra | 12 | Monsters of Faerun, Monstrous Compendium Annual 2, City of Splendors |
H |
| Name | CR | Source |
| Hakeashar | | Monstrous Compendium Annual 2, City of Splendors |
| Hippopotamus | 6 | Sandstorm, Menace Manual, Tome of Horrors 1, Monstrous Compendium Annual 2, Necropolis |
| Horse, Moon-horse | | Monstrous Compendium Annual 2 |
| Human, Dragon Slayer | Varies | Monstrous Compendium Annual 2 |
| Human, Vistani | 1/2 | Denizens of Darkness, Monstrous Compendium Annual 2 |
J |
| Name | CR | Source |
| Jellyfish, Giant - Portugese Man-o-War | | Monstrous Compendium Annual 2, War Rafts of Kron (X7), Creature Catalogue (AC9) |
K |
| Name | CR | Source |
| Kalin | | Monstrous Compendium Annual 2, City by the Silt Sea |
| Khollathra | | Monstrous Compendium Annual 2 |
L |
| Name | CR | Source |
| Laerti | | Monstrous Compendium Annual 2 |
| Laerti, Stingtail | | Monstrous Compendium Annual 2 |
| Leucrotta, Greater | 5 | 3.5E City of Splendors, Monstrous Compendium Annual 2, City of Splendors |
| Lich, Suel [T] | +2 | Dragon#339, Monstrous Compendium Annual 2 |
| Lurker, Shadow | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Lycanthrope, Werepanther | | Monstrous Compendium Annual 2 |
| Lycanthrope, Wereshark | 4 | Lost Empires of Faerun, Monsters of Faerun, Twisted Lore, 1E Monster Manual 2, Monstrous Compendium Annual 2, Companion Boxed Set, Rules Cyclopedia, City of Splendors, War Rafts of Kron (X7) |
M |
| Name | CR | Source |
| Mammal, Giant - Badger | | Monstrous Compendium Annual 2 |
| Mammal, Giant - Beaver | | Monstrous Compendium Annual 2, 1E Monster Manual 1 |
| Mammal, Giant - Boar | | Monstrous Compendium Annual 2, Monstrous Compendium Volume 1, 1E Monster Manual 1, Rules Cyclopedia |
| Mammal, Giant - Hyena | | Monstrous Compendium Annual 2 |
| Mammal, Giant - Porcupine | | Monstrous Compendium Annual 2 |
| Mammal, Giant - Skunk | | Monstrous Compendium Annual 2, Monstrous Compendium Volume 1, 1E Monster Manual 1, Creature Catalogue (AC9) |
| Mammal, Giant - Weasel | | Monstrous Compendium Annual 2 |
| Mammal, Giant - Wolverine | | Monstrous Compendium Annual 2 |
| Mammal, Herd - Bull | | Monstrous Compendium Annual 2, Hollow World Campaign Setting |
| Mammal, Herd - Caribou | 1/3 | Frostburn, Monstrous Compendium Annual 2 |
| Mammal, Herd - Goat, Giant | | Monstrous Compendium Annual 2 |
| Mammal, Herd - Llama | 1 | Dangerous Denizens, Monstrous Compendium Annual 2 |
| Mammal, Herd - Ram, Giant | | Monstrous Compendium Annual 2, 1E Monster Manual 1 |
| Mammal, Herd - Rhinoceros | | Monstrous Compendium Annual 2 |
| Mammal, Herd - Stag, Wild | | Monstrous Compendium Annual 2, Dragonlance (MC4), 1E Monster Manual 1, Monstrous Manual |
| Mammal, Herd - Stag, Giant | | Monstrous Compendium Annual 2, Dragonlance (MC4), 1E Monster Manual 1 |
| Marl | | Monstrous Compendium Annual 2 |
| Meenlock | 3 | Monstrous Compendium Annual 2, 3E Monster Manual 2, 1E Fiend Folio |
| Mimic, Greater | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Mimic, Killer | | Monstrous Compendium Annual 2, Monstrous Manual |
| Mold, Death | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Mold, Deep | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Mold, Gray | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Mummy, Creature - Animal | | Monstrous Compendium Annual 2 |
| Mummy, Creature - Monster | | Monstrous Compendium Annual 2 |
N |
| Name | CR | Source |
| Nyth | 5 | Monsters of Faerun, Monstrous Compendium Annual 2, City of Splendors |
P |
| Name | CR | Source |
| Palimpsest | | Monstrous Compendium Annual 2, City of Splendors |
| Peltast | | Monstrous Compendium Annual 2, City of Splendors |
| Peltast, Greater | | Monstrous Compendium Annual 2, City of Splendors |
| Plant, Dangerous - Twilight Bloom | | Monstrous Compendium Annual 2 |
| Plant, Dangerous - Boring Grass | | Monstrous Compendium Annual 2 |
| Plant, Dangerous - Firethorn | | Monstrous Compendium Annual 2 |
| Pleistocene Animal, Balucitherium | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 1 |
| Pleistocene Animal, Irish Deer | | Monstrous Compendium Annual 2, 1E Monster Manual 1 |
| Pleistocene Animal, Megatherium | 8 | 3E Fiend Folio, Monstrous Compendium Annual 2, Forgotten Realms (MC3), Isle of Dread, Creature Catalogue (AC9) |
| Pleistocene Animal, Phororhacos | | Monstrous Compendium Annual 2, Forgotten Realms (MC3), 1E Monster Manual 2, Isle of Dread, Creature Catalogue (AC9) |
| Pleistocene Animal, Wooly Rhino | | Monstrous Compendium Annual 2, Forgotten Realms (MC3) |
| Pudding, Subterranean - Stone | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Pudding, Subterranean - Gray | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Pudding, Subterranean - Dense | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
R |
| Name | CR | Source |
| Raggamoffyn, Common | 3 | Monstrous Compendium Annual 2, 3E Monster Manual 2, City of Splendors |
| Raggamoffyn, Guttersnipe | 5 | Monstrous Compendium Annual 2, 3E Monster Manual 2, City of Splendors |
| Raggamoffyn, Shrapnyl | 7 | Monstrous Compendium Annual 2, 3E Monster Manual 2, City of Splendors |
| Raggamoffyn, Tatterdemanimal | 1 | Monstrous Compendium Annual 2, 3E Monster Manual 2, City of Splendors |
S |
| Name | CR | Source |
| Scaladar | 8 | 3.5E City of Splendors, Monstrous Compendium Annual 2, Ruins of Undermountain 1 |
| Scaladar, Enhanced | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Snake, Serpent - Herald | | Monstrous Compendium Annual 2 |
| Snake, Serpent - Teak | | Monstrous Compendium Annual 2 |
| Snake, Serpent Vine | | Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
| Sphinx, Draco- | | Monstrous Compendium Annual 2 |
| Sprite, Seelie Faerie | | Monstrous Compendium Annual 2 |
| Sprite, Unseelie Faerie | | Monstrous Compendium Annual 2 |
| Squealer | 8 | Tome of Horrors 1, Monstrous Compendium Annual 2, 1E Monster Manual 2 |
T |
| Name | CR | Source |
| Turtle, Giant - Sea | | Monstrous Compendium Annual 2, Greyhawk (MC5), 1E Monster Manual 1 |
| Turtle, Giant - Snapping | 9 | Tome of Horrors 1, Monstrous Compendium Annual 2, Greyhawk (MC5), 1E Monster Manual 1 |
U |
| Name | CR | Source |
| Umpleby | | Monstrous Compendium Annual 2, 2E Fiend Folio (MC14), 1E Fiend Folio |
V |
| Name | CR | Source |
| Vizier's Turban | | Monstrous Compendium Annual 2 |
W |
| Name | CR | Source |
| Wall-Walker | | Monstrous Compendium Annual 2, City by the Silt Sea |
| Webbird | | Monstrous Compendium Annual 2, 1E Monster Manual 2 |
| Wraith-Spider | Varies | City of the Spider Queen, Monstrous Compendium Annual 2, Ruins of Undermountain 2 |
Y |
| Name | CR | Source |
| Yak-Man | 4 | Monstrous Compendium Annual 2, 3E Monster Manual 2 |
Z |
| Name | CR | Source |
| Zorbo | | Monstrous Compendium Annual 2, 1E Monster Manual 2 |
