'Legion' is a name given by The Normandy SR-2's artificial intelligence, EDI, to Geth Platform 2A93, a robot unit inhabited by the gestalt consciousness formed from a host of networked artificial intelligence entities known as the geth. After Mass Effect 2, Legion returns in Mass Effect 3 as a supporting non-player character.
The character first appears in Mass Effect 2 as a party member (or 'squadmate'). Legion is a character in BioWare's Mass Effect franchise.
Legion's design as presented in The Art of the Mass Effect Universe.
