Xaruis Carra is a scientist for Skynet II technology.
During the Aulnar event he lost his vision. however as a scientist of Skynet II Tech. his team quickly made Echoes device. A Echo locator that allowed to hear the world around him. though its been 15 ce since the Aulnar Event Xaruis regained a part of his vision. but is still unable to see.
as an opitcal scientist for Skynet II he works in vision related research.