- Phoenix1710
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- Exalted Legendary Member
Winner of the 2012 Lurker of the Year award.
I'm watching you.
You have to play through the whole story without killing any engineers on Mombassa streets. You can still kill them in flashbacks. The achievement should unlock once you reach data hive.
You can still kill the other covenant forces as long as you don't do any damage to the engineer. If you do, it's count as a kill when it suicides.
I recommend doing it on easy solo. That way you can just speed through the whole thing because I'm not 100% sure on how other players effect save data.