Mass Effect 3 achievements
2,290
(1,550)

Mass Effect 3

4.5 from 11091 votes

There are 68 Mass Effect 3 achievements (50 without DLC) worth 2,290 (1,550)

136,613 tracked gamers have this game, 14,784 have completed it (10.82%)

Achievement Details

Last Witness in Mass Effect 3

Last Witness29 (25)

Extract ancient technology.

  • Unlocked by 101,527 tracked gamers (74% - TA Ratio = 1.15) 136,614  

Achievement Guide for Last Witness

AuthorSolution
SinisterArcher
53,312 (39,510)
SinisterArcher
Achievement won on 09 Mar 12
TA Score for this game: 1,278
Posted on 10 March 12 at 08:46
This solution has 19 positive votes and 3 negative votes. Please log in to vote.
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
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