Temperate Aquatic Random Encounters CR 10
| d100 | Total CR | Name | Numbers | CR | Type | Size | Book |
| 1-2 | 10 | Adult Mist Dragon | 1 | 10 | Dragon | Large | Dragons of Faerûn |
| 3-4 | 10 | Adult Yellow Dragon | 1 | 10 | Dragon | Large | Dragon Compendium - Volume I |
| 5-6 | 10 | Amphibious Medusa | 3 | 7 | Humanoid | Medium | Stormwrack |
| 7-8 | 10 | Banelar Naga | 2 | 8 | Aberration | Huge | Serpent Kingdoms |
| 9-10 | 10 | Bloodhulk Crusher | 2 | 8 | Undead | Huge | MM4 |
| 11-12 | 10 | Bloodmote Cloud | 4 | 6 | Undead | Fine | Libris Mortis |
| 13-14 | 10 | Bodak Five-Headed Hydra | 2 | 8 | Undead | Huge | Dragon Compendium - Volume I |
| 15-16 | 10 | Bone Rat Swarm | 12 | 3 | Undead | Tiny | Libris Mortis |
| 17-18 | 10 | Boneclaw | 7 | 5 | Undead | Large | MM3 |
| 19-20 | 10 | Bonedrinker | 5 | 6 | Undead | Medium | MM3 |
| 21-22 | 10 | Bonespitter | 15 | 3 | Undead | Medium | Dragon Compendium - Volume I |
| 23-24 | 10 | Brass Golem | 1 | 10 | Construct | Large | MM2 |
| 25-26 | 10 | Cinderspawn | 5 | 6 | Undead | Large | Libris Mortis |
| 27-28 | 10 | Clay Golem | 1 | 10 | Construct | Large | MM1 |
| 29-30 | 10 | Clay Half-Golem | 11 | 4 | Construct | Medium | MM2 |
| 31-32 | 10 | Colossal Animated Object | 1 | 10 | Construct | Colossal | MM1 |
| 33-34 | 10 | Corpse Rat Swarm | 11 | 4 | Undead | Tiny | Libris Mortis |
| 35-36 | 10 | Dire Lion Effigy | 5 | 6 | Construct | Large | Complete Arcane |
| 37-38 | 10 | Dire Toad | 15 | 3 | Animal | Medium | MM2 |
| 39-40 | 10 | Dragonflesh Half-Golem | 11 | 4 | Construct | Medium | MM2 |
| 41-42 | 10 | Dust Wight | 3 | 7 | Undead | Medium | MM3 |
| 43 | 10 | Entomber | 7 | 5 | Undead | Medium | Libris Mortis |
| 44 | 10 | Ethereal Ooze | 1 | 10 | Ooze | Huge | Fiend Folio |
| 45 | 10 | Eunuch Clockwork | 11 | 4 | Construct | Medium | Dragon #334 |
| 46 | 10 | Evolved Wraith | 5 | 6 | Undead | Medium | Libris Mortis |
| 47 | 10 | Flameskull | 11 | 4 | Undead | Tiny | Lost Empires of Faerûn |
| 48 | 10 | Flesh Golem | 3 | 7 | Construct | Large | MM1 |
| 49 | 10 | Flesh Half-Golem | 11 | 4 | Construct | Medium | MM2 |
| 50 | 10 | Forsaken Shell | 4 | 6 | Undead | Medium | Libris Mortis |
| 51 | 10 | Gargantuan Monstrous Crab | 1 | 10 | Vermin | Gargantuan | Stormwrack |
| 52 | 10 | Gargoyle | 11 | 4 | Humanoid | Medium | MM1 |
| 53 | 10 | Ghost 5th-Level Human Fighter | 3 | 7 | Undead | Medium | MM1 |
| 54 | 10 | Ghoulish Harpy | 7 | 5 | Undead | Medium | Dragon Compendium - Volume I |
| 55 | 10 | Giant Gar | 6 | 5 | Animal | Huge | Dragon #321 |
| 56 | 10 | Gravetouched Ghoul 6th-Level Human Monk | 3 | 7 | Undead | Medium | Libris Mortis |
| 57 | 10 | Greater Seryulin | 1 | 10 | Aberration | Huge | MM3 |
| 58 | 10 | Helicoprion | 7 | 5 | Animal | Large | Dragon #318 |
| 59 | 10 | Hound Archon Zombie | 11 | 4 | Undead | Medium | Libris Mortis |
| 60 | 10 | Huge Monstrous Crab | 3 | 7 | Vermin | Huge | Stormwrack |
| 61 | 10 | Ice Beast Gargoyle | 15 | 3 | Construct | Medium | Frostburn |
| 62 | 10 | Iron Half-Golem | 11 | 4 | Construct | Medium | MM2 |
| 63 | 10 | Juvenile Crested Sea Serpent | 3 | 7 | Dragon | Large | Dragon #345 |
| 64 | 10 | Juvenile Lantern Sea Serpent | 2 | 8 | Dragon | Large | Dragon #345 |
| 65 | 10 | Juvenile Mist Dragon | 5 | 6 | Dragon | Medium | Dragons of Faerûn |
| 66 | 10 | Juvenile Spiked Sea Serpent | 3 | 7 | Dragon | Large | Dragon #345 |
| 67 | 10 | Juvenile Topaz Dragon | 1 | 10 | Dragon | Large | MM2 |
| 68 | 10 | Juvenile Yellow Dragon | 5 | 6 | Dragon | Medium | Dragon Compendium - Volume I |
| 69 | 10 | Kelpie | 1 | 10 | Fey | Large | Fiend Folio |
| 70 | 10 | Kuo-Toa | 20 | 2 | Humanoid | Medium | MM1 |
| 71 | 10 | Legendary Shark | 1 | 10 | Animal | Huge | MM2 |
| 72 | 10 | Lesser Bonedrinker | 11 | 4 | Undead | Small | MM3 |
| 73 | 10 | Lion Topiary Guardian | 3 | 7 | Plant | Large | MM3 |
| 74 | 10 | Mohrg | 2 | 8 | Undead | Medium | MM1 |
| 75 | 10 | Nether Hound Ghast | 11 | 4 | Undead | Medium | Dragon #322 |
| 76 | 10 | Ramfish | 3 | 7 | Magical Beast | Large | Stormwrack |
| 77 | 10 | Ruin Elemental | 1 | 10 | Elemental | Large | MM5 |
| 78 | 10 | Sanguineous Drinker | 7 | 5 | Undead | Medium | MM5 |
| 79 | 10 | Sea Cat | 11 | 4 | Magical Beast | Large | MM1 |
| 80 | 10 | Sea Tiger | 5 | 6 | Animal | Huge | MM3 |
| 81 | 10 | Seryulin | 3 | 7 | Aberration | Large | MM3 |
| 82 | 10 | Shredstorm | 2 | 8 | Construct | Fine | MM3 |
| 83 | 10 | Sirine | 7 | 5 | Fey | Medium | MM2 |
| 84 | 10 | Skulking Cyst | 9 | 4 | Undead | Small | Libris Mortis |
| 85 | 10 | Slaughter Wight | 2 | 8 | Undead | Medium | Libris Mortis |
| 86 | 10 | Stained Glass Half-Golem | 15 | 3 | Construct | Medium | MM2 |
| 87 | 10 | Stone Half-Golem | 11 | 4 | Construct | Medium | MM2 |
| 88 | 10 | Thunder | 5 | 6 | Outsider | Medium | Dragon #317 |
| 89 | 10 | Triton | 20 | 2 | Outsider | Medium | MM1 |
| 90 | 10 | Vine Horror | 11 | 4 | Plant | Medium | Fiend Folio |
| 91 | 10 | Voidwraith | 5 | 6 | Undead | Medium | Libris Mortis |
| 92 | 10 | Water Drake | 2 | 9 | Dragon | Large | Draconomicon |
| 93 | 10 | Water Naga | 3 | 7 | Aberration | Large | MM1 |
| 94 | 10 | Wraith | 7 | 5 | Undead | Medium | MM1 |
| 95 | 10 | Young Adult Crested Sea Serpent | 2 | 8 | Dragon | Large | Dragon #345 |
| 96 | 10 | Young Adult Lantern Sea Serpent | 1 | 10 | Dragon | Large | Dragon #345 |
| 97 | 10 | Young adult Mist Dragon | 2 | 8 | Dragon | Large | Dragons of Faerûn |
| 98 | 10 | Young adult Yellow Dragon | 3 | 7 | Dragon | Large | Dragon Compendium - Volume I |
| 99 | 10 | Young Lantern Sea Serpent | 3 | 7 | Dragon | Large | Dragon #345 |
| 100 | 10 | Young Topaz Dragon | 3 | 7 | Dragon | Medium | MM2 |
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