The Machine
The Machine is an unknown entity referred to only by the name "The Machine". It is apparently tied to Mörkö, or may even be it. It is apparently a kind of "underground god". The Machine was created by Andrew Herts. This information cam from a cave, hidden behind some trees and bushes behind the Pine Fell Water Plant in tunnel2. Here is the original photo:
And here is it with some changes applied:
It says: