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Yeenoghu is one of the demonic lords of the Abyss that once roamed the Prime Material Plane. He is a large, bestial, feral, angry demon. He is ever-hungering, ever wandering to conquer and devour, leaving destruction, fetid meat, and waves of yipping, angry hyenas to devour what was left behind in his wake.
Yeenoghu is the Demon Prince of gnolls and their creator. Many gnolls pay homage to Yeenoghu.
While Yeenoghu is powerful, he is not in the same league as other demon princes (such as Orcus) in terms of personal power, influence, or armies. Yeenoghu controls a layer of the Abyss that he called "Yeenoghu's Realm". There, he hunts lesser demons and other creatures, while he plots his next conquest against weak rulers. Favoring the spread of savagery and barbarism, Yeenoghu sends gnoll servants of the Cult of Yeenoghu to strike at cities and cast them down in burning ruin.
Yeenoghu is often depicted as a massive gnoll about fourteen feet in height. His fur is matted and his armor amassed from fallen enemies.Yeenoghu's symbol is his unique exotic weapon: a huge triple-headed flail.
- Yeenoghu is one of the Demon Lords described in Book of Vile Darkness, a supplement for Dungeons & Dragons, 3rd ed.
- Yeenoghu is described in Fiendish Codex I: Hordes of the Abyss a 3.5 ed. book
- Yeenoghu is described in the 5th edition version of Volo's Guide to Monsters, Out of the Abyss, and Mordenkainen's Tome of Foes.