D&D 5E: Fantasy #30: Hellpits of Nightfang

Discover the hidden secrets of the Hellpits, a series of natural sinkholes located near a popular trade route and wilderness town. This treacherous area serves as the dwelling place for the ancient vampire Nightfang and its allies, who cleverly prey upon unsuspecting travelers and locals to avoid alerting the forces of good. What other mysteries from the past are waiting to be uncovered in the depths of the Hellpits?