From publisher blurb:
Nightfall Hollow is a 5e supplement which aims to help you save prep time and impress your players.
This product offers you a ready-to-use location, which you can drop in any setting, along with detailed encounters that can become an adventure. All of this supported by maps, to complement your game without the need to prepare.
Venture into the forgotten cradle of creation, deep beneath the surface of the world. Nightfall Hollow is said to be where the first gods were born and where they kindled the sparks of life and time. This subterranean expanse, filled with arcane energy and primordial secrets, now becomes the site of a dangerous gambit by the villainous Umbral Council. These once-mortal beings, exiled to the Shadowrealm, seek to commune with the forgotten gods and awaken powers that could reshape reality itself. In this perilous adventure, the characters must traverse the hallowed caverns, decipher cryptic murals depicting the rise of the gods, and confront the shadow-wreathed members of the Umbral Council. With the fate of the Material Plane hanging in the balance, can the adventurers stop the Council before they tear the very fabric of reality apart, or be consumed by primordial forces?
This content is for groups of 15th to 16th level.