Appearing to be a simple paper-weight made of stone, this Item has one of the more nefarious ways of being activated. To activate this object one must pierce their hands with two of it's opposite corners. Doing so will either raise a wall of earth, or bring down one depending which direction the top point of the pyramid is pointing.
Professor Screw Eye obtained this item and hired a man to go outside of the Capital and protect it, giving him some earth elementals. The Professor then sent the party after it claiming the man had stolen it, as a test to see if the group was strong enough to hunt Items for his own nefarious purposes.
Use in The Vault
While not required to navigate through The Vault, it finds a use in the labyrinth room, able to bring down walls making paths where there were none previously.