Breakthrough achievement in Halo 5: Guardians


Complete Mission 10.

1 guideOnline/OfflineSingle PlayerCooperativeMain Storyline

How to unlock the Breakthrough achievement

  • Papo FettPapo Fett117,581
    18 Oct 2015 10 Jan 2019
    3 0 0
    Story related. Finish "Enemy Lines" to get this achievement. Here's a video walkthrough:

    And here's how to finish it on Legendary difficulty:

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