5th Edit. Adventure: A9 Beneath the Helm of Night - D&D compatible (SC)

from the publisher:

5^th Edition Adventures - Beneath the Helm of Night

Hard roads bring the stout of heart to the Tower’s iron-bound gate. Whether brought here by the Vessel of Souls or by pure happenstance, the Tower, perched upon the edge of no-where, beckons, promising wealth and glory. Flight brings your fall. A mid-to-high-level adventure for a party of 3-6 characters. Play as stand-alone or part of a larger series.