Pirate's Floating Astral Fortress

Publisher's blurb: A multi-level fortress filled with treasure piled high before a throne, floating in the sea of night. Perfect for pirates to maraud in, the one-shot adventure included takes your players on an unexpected trip to discover corruption–and must choose to either stop it, or use it to their own ends. At the end, you can rewarded them with this flying citadel as a home base!