"This creature looks like a humanoid giant, taller than a house and composed of pure darkness. It wears no clothing and has smooth, hairless skin and a genderless body."
Nightwalkers are human-shaped horrors that haunt the darkness, hailing from the Plane of Shadow. These mighty beings lurk in dark areas where they can almost always surprise the unwary. Their natural weapons are treated as magic weapons for the purpose of overcoming damage reduction.
This avatar of the King of Shadows assaults the Keep through a portal set up temporarily behind the walls. It's only differences from an ordinary Nightwalker are:
