Ghost from DestinyA Ghost is a levitating artificial intelligence used by Guardians. Ghosts support Guardians by performing certain actions such as illuminating darkened areas, hacking Golden Age technology, and informing Guardians of incoming hostile threats. Ghosts also have a navigation mode that locates mission objectives and Faction missions from the Tower. In its dying breath, The Traveler created the Ghosts to seek out those who can wield its Light as a weapon