In the Creation War, the Grey Masons served as an engineering battalion under Hettar. They were responsible for constructing fortifications, carving out living spaces within mountains, and executing other stonework projects. During the Demon Spawn War, they were part of the Quara'tun Covenant. One of their most renowned fortifications from that era is Volod Krind, now better known as the Titan's Triangle, a network of island and sea defenses that have long safeguarded the Saber Coast. Further inland, in the First Epoch, their skills were employed in the construction of the massive Gudgrid Dam. Under the reign of Naggor, they were hired to assist in building Iglutt's Second Wall.