Devil, Archdevil - Geryon

Huge Outsider (Evil, Lawful)

Source(s):	Tome of Horrors 1, 1E Monster Manual 1
Also Known As:	arch-devil, the Great Serpent, Fiend, the Wild Beast
Alignment:	Always Lawful Evil
Climate/Terrain:	Any Land or Underground
Rarity:	Unique
Challenge Rating:	29
See Also:	Devil, Duke - Amon; Inphidian, Common; Yuan-Ti [T]; Devil, Amon; Devil, Styx
Ruler of Hell's fifth plane, he rarely journeys beyond the city gates where his iron fortress is located. He is allied with Mephistopheles. Followers of Geryon include yuan-ti, inphidians, and evil humanoids that revere snakes and serpents.