A Den of Thieves

Publisher's blurb: A 4-hour adventure for 5th-6th level characters. Adventure 3 of 5 in the Necrüs Reliquary Campaign. The players possess an unwelcome burden: an artifact of great power and malice. If it falls into the wrong hands, things could get much worse. The creatures of the night are coming for the relic. Can the players find out how to destroy the device before the shadows overwhelm them?