Olhydra
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| Game background | |
|---|---|
| Home plane | Elemental Plane of Water |
| Power level | Archomental |
| Alignment | Neutral evil |
| Design details | |
Olhydra is an archomental in the Dungeons & Dragons fantasy role-playing game. Her symbol is a blue-green square. It is possible that Alyolvoy, an evil archomental of water mentioned in Dungeon #37, is an alias of Olhydra.
Olhydra first appeared with the elemental princes of evil in the original first edition Fiend Folio (1981), created by Lewis Pulsipher. Olhydra was one of the main antagonists in Frank Mentzer's 1982 RPGA module The Egg of the Phoenix, which was later included as part of the expanded 1987 adventure compilation, Egg of the Phoenix.
Olhydra appeared with the evil archomentals in the second edition book Planescape Monstrous Compendium Appendix III (1998).
Olhydra appeared with the evil archomentals in the third edition in Dragon #347 (September 2006).
Olhydra appears in fourth edition in Dungeon #199 (2012), in the article "Lords of Chaos".
Olhydra appears as an endlessly breaking wave of water, an amorphous blob with almost-human features buried within its depths. She is about 20 feet wide and weighs 5,000 pounds. She may also appear as a feminine, half-human and half-pleiosaur creature with tentacles for hair and a semi-transparent liquid body.
Olhydra harbors an intense hatred of Imix and schemes to destroy him. Along with Imix, Yan-C-Bin, and Ogrémoch, she once pursued the artifact known as the Egg of the Phoenix. One of her greatest allies is Dagon, and rumor has it that she and Dagon may have spawned twin daughters. She occasionally comes into conflict with Blibdoolpoolp, Eadro, and Persana, but gives little thought to Ben-hadar.
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