The Ancestral Mask is an ancient Yautja Bio-Mask used by the ancient Yautja, Lord, and later by Dark. It is regarded by other Yautja as a symbol of high authority in their culture.[citation needed] It has the Alien Vision mode, which enables the wearer to locate Xenomorphs and their hiding places with great ease. It also has a built in system to record previous events like the victory of over the Xenomorphs, bringing the Matriarch to the temple, and the coordinates of Xenomorph Prime.