Lists Game
Mass Effect 3
tracking their Mass Effect 3 achievements.
Click here to track your progress.

Last Witness achievement in Mass Effect 3

Last Witness

Extract ancient technology.

Last Witness0
Hide ads

How to unlock the Last Witness achievement

  • SinisterArcherSinisterArcher
    09 Mar 2012 10 Mar 2012
    This is part of the story. You get this when you go to Thessia(Asari Homeworld). After you power up the Prothean Beacon, Kai Leng with attack you. After he steals the data and runs there is a cut scene and you get the achievement
  • Have you got any tips or tricks to unlock this achievement?
    Add a guide to share them with the community.

    Add a guide
  • King fiShiZKing fiShiZ
    10 Mar 2012 10 Mar 2012
    Location: Athena Nebula -> Parniha -> Planet Thessia
    Mission: 9. Priority Mission: Thessia
    Achievement missable: no, Story Mission

    You get this Achievement for completing the Story Mission on Thessia.
Do you have a question about this achievement? Please post it in the Mass Effect 3 Forum