The southern block called Block D which is marked in Purple is the widest,biggest and tallest block in the Barracks. Especially tall it could be even seen from the middle of the village. This is skyscraper totally annihiliated methods of architecture, mathematical calculations and added new knowledge to humanity replacing the old and not sufficient anymore methods. Block D is pride of the Builders Guild in the Black Star Village and phrases are used around the world to describe an unnatural thing or something uniquely awesome like "This picture is so Block D"
The Guarding Corps is online at every angle and looks for anything suspicious going on. Just try doing anything and off you are to the Detention Unit.