Yuan-ti Infiltrator

D&D 2024 monster: Yuan-ti Infiltrator. Source: Monster Manual (2025). challenge rating 1, creature type Monstrosity, Medium size, speed 30 ft. Infiltrators can pass as human, their serpentine features limited to scaly skin, forked tongues, and other minor or internal transformations. These spies insinuate themselves among their rivals, manipulating others and making foes vulnerable to the plots of more powerful yuan-ti. Yuan-ti Power-Hungry Serpentine Conspirators Habitat: Desert, Forest, Swamp, Urban Treasure: Random Magic Items - Relics Exploiting pacts with sinister supernatural forces, yuan-ti bargain away their humanity for the lethality and predatory deviousness of serpents. From hidden bastions, they manipulate rulers and the wealthy, seeking to control the world. Many yuan-ti possess venomous magic, which often manifests as fangs or striking serpents. Yuan-ti have humanlike forms with a variety of horrifying serpentine transformations. Some have a scattering of reptilian scales, while others are giants that are more snake than human. Typically, the more snakelike yuan-ti are, the greater esteem they hold among their kind. Yuan-ti might gain their reptilian features through dangerous supernatural rites. Roll on or choose a result from the Yuan-ti Transformations table to inspire how yuan-ti obtain their serpentine aspects. 1 Bargaining parts of its soul to a pantheon of serpentine demigods. 2 A curse laid on its people in the distant past. 3 The dream-venom of Merrshaulk, a slumbering snake god. 4 Experiments by spirit nagas or other yuan-ti. 5 A ritual involving the skin of a fiendish snake. 6 Trials to excise its "weak" human parts. Yuan-ti Transformations Great magic, twisted and corrupted... Malice beyond reckoning... Flesh reshaped, becoming serpentine horrors... Monstrosity Medium 30 ft.