The Ivory City

Pre History
Researchers are still uncovering what now lies under The Ivory City. The civilization has been dubbed "". What is known is that the civilization was very advanced, and had been working on defeating the titans before their collapse. The first titan was defeated using this tech.

Age of Titans
Unlike most areas, The Ivory City and area did not exist in the Age of Titans. The area contained a ruin of an ancient civilization, that the nomads used for shelter on their way by.