The yuan-ti are a fictional species of evil snakemen in the fantasy role-playing game Dungeons & Dragons. The species comprises a number of castes. In some campaign settings, the yuan-ti are descended from evil human cultists who mixed their bloodlines with those of serpents. They have formidable psychic abilities.
Read more about Yuan-ti: Publication History, Licensing, Society, Associated Creatures, Yuan-ti in Various Campaign Settings, Other Media