Elleden’s Vault

The walls, ceilings, and floors of this underground structure are covered in pale green ceramic tiles – age has not been kind to the mortar involved and the tiles achieve about 70% coverage overall now, although most of the fallen tiles were swept up and discarded instead of littering the floors. Under the tiles and mortar it would appear that the stonework bears no tool marks from picks or other work – as if the structure just formed in the rock with perfect 90 degree walls and so on.

The structure is known as Elleden’s Vault after a servant of the Zole that claimed the structure long after it was built / formed (and after the green tiles were added). There are still paintings and drawings (in darker green on the green tiles) of various depictions of the cubical Zole as…