In the Creation War, the Grey Masons served as an engineering battalion under Hettar. They were in charge of building fortifications, living areas inside mountains, and other stonework. In the Demon Spawn War, they were part of the Quara'tun Covenant. One of their was most well-known fortifications of that time is Volod Krind. Better known today as the Titans Triangle, this network of island and sea fortifications has long protected the Saber Coast. Inland from this area, in the First Epoch, their skills were put to use in building the massive Gudgrid Dam. During the reign of Naggor, they were hired to help build Iglutt's Second Wall.