From publisher blurb:
The kingdom’s children have been stolen!
For a cosmic age, Sahasrapara the great serpent, has slept. Now events are afoot in Ewanti Kingdom that could wake the ancient snake, bringing upon Bhurloka a time of untold destruction. Despite political deceptions and vengeful assassins, only the heroes can stand between the great serpent and its cataclysmic goal!
Against the Dark Yogi: The Serpent's Brood is an adventure supplement for Against the Dark Yogi. It features an epic tale that will send the heroes after the city of Neshimati’s stolen chidren, before a sinister mantri can use them to awaken the great snake.