A Dolmen Gate is a living stone portal that serves as a gate into a portion of the Webway created by the Old Ones. Dolmen Gate technology was first developed by the Necrons with the aid of a C'tan. With this technology, the Necrons were able to gain a major advantage during the War in Heaven and were finally able to move rapidly through interstellar space without relying on sublight, anti-matter-powered stasis-ships. As a race bereft of psykers, the Dolmen Gates now represent the only means the Necrons possess for faster-than-light space travel. By the time of the late 41st Millennium, most of the Dolmen Gates still scattered around the galaxy have been destroyed by the Eldar or have malfunctioned over the passage of time, those few still functioning have allowed certain Necron dynasties t