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|Height||Three times the height of a human|
|Distinctions||Wings, snake tail, four arms|
Sibyl is a yuan-ti who was an avatar of Sseth during the Time of Troubles, who wanted to become a god. Sibyl has four arms and a set of wings which is unusual for common yuan-ti. She is ink black with clawed hands.
Sibyl was proficient - much more so than normal yuan-ti - in the fear spell.
- Ed Greenwood, Eric L. Boyd, Darrin Drader (July 2004). Serpent Kingdoms, p. 140. Wizards of the Coast. ISBN 0-7869-3277-5.