Lakortha Stone

Concrete

An alchemistic formula of volcanic ash, and various minerals are mixed and cured into a solid rocklike substance that is known as Lakortha Stone, or more commonly, concrete. How long this formula has existed is unknown, many put its creation to the Capedians, but the first confirmed use of the material was in Lakorth in 4925sc. It was used as a mortar for stone walls. After the Great Fire of Lakorth, Lakorth was rebuilt using concrete, showing this material is viable for construction on its own. Concrete has spread since, finding its way across the continent and world.