As the corruption that slumbers beneath Nerekhall stirs, it seems to spread among the populace. Whether the changelings, as they are called, are demonic creatures that duplicate and replace innocent civilians, or those civilians are somehow transformed into these awful beings, is unknown. Either way, something must be done before all of Nerekhall falls under their sway.
References
- Descent: Journeys in the Dark (Second Edition): Shadow of Nerekhall