A serpentfolk spy monitors activity in surface settlements, noting authority figures, defenses, and those who could be bribed or coerced into serving the serpentfolk empire. These serpentfolk often identify as members of a sinister society known as the Coils of Ydersius, and the most devoted of their number seek out methods of reincarnating into new forms to even more efficiently infiltrate enemy societies. This serpentine humanoid has bright scaly skin, a long sinuous tail, and a fanged serpent