Crack-Skinned Lava People

The Crack-Skinned Lava People are a group of novelization-exclusive monsters that resemble what their name implies. It is most certain they were released during The System Purge. They were only mentioned during the 'Elevator Scene' part of the Book.

Physical Description & Attributes
These monsters are described as the name implies, A group of three people, 2 adults and a child, with horribly cracked skin beneath which lava seemed to boil. This sounds similar to The Ancient Ones, they may even be possibly miniature versions of them, though this is highly unlikely and the similarity is probably coincidental.