From publisher blurb:
A fast-paced one-shot from the bestselling author of The Secrets of Skyhorn Lighthouse!
A shadowy force gathers inside the abandoned halls of Lastwatch Keep. Can the players defeat the drow invaders before they escape to the underworld with sinister intelligence about the surface?
Shadows of Lastwatch Keep is a one-shot adventure for four or five 4th-level characters. It takes about 3-4 hours to complete and includes: