Creatures with names followed by (aquatic) may be summoned only into an aquatic or watery environment. Each creature’s name links to its statistics block and description.
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| Celestial polar bear | LG |
| Celestial orca whale (aquatic) | NG |
| Bralani (eladrin) | CG |
| Celestial dire lion | CG |
| Elemental, Large Air | N |
| Elemental, Large Earth | N |
| Elemental, Large Fire | N |
| Elemental, Large Water | N |
| Janni (genie) | N |
| Chaos beast | CN |
| Devil, chain | LE |
| Xill | LE |
| Fiendish monstrous centipede, Gargantuan | NE |
| Fiendish rhinoceros | NE |
| Fiendish elasmosaurus (aquatic) | CE |
| Fiendish monstrous spider, Huge | CE |
| Fiendish snake, giant constrictor | CE |
| Celestial elephant | LG |
| Avoral (guardinal) | NG |
| Celestial baleen whale (aquatic) | NG |
| Djinni (genie) | CG |
| Elemental, Huge Air | N |
| Elemental, Huge Earth | N |
| Elemental, Huge Fire | N |
| Elemental, Huge Water | N |
| Invisible stalker | N |
| Slaad, red | CN |
| Devil, bone | LE |
| Fiendish megaraptor | LE |
| Fiendish monstrous scorpion, Huge | NE |
| Babau (demon) | CE |
| Fiendish giant octopus (aquatic) | CE |
| Fiendish girallon | CE |
| Couatl | LG |
| Leonal (guardinal) | NG |
| Celestial roc | CG |
| Elemental, Elder Air | N |
| Elemental, Elder Earth | N |
| Elemental, Elder Fire | N |
| Elemental, Elder Water | N |
| Slaad, green | CN |
| Devil, barbed | LE |
| Fiendish dire shark (aquatic) | NE |
| Fiendish monstrous scorpion, Gargantuan | NE |
| Night hag | NE |
| Bebilith (demon) | CE |
| Fiendish monstrous spider, Colossal | CE |
| Hezrou (demon) | CE |