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Gravemind achievement in Halo MCC


Halo 2: Complete Gravemind.

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How to unlock the Gravemind achievement

  • TreysForDayysTreysForDayys
    04 Dec 2014 05 Dec 2014
    Legendary Guide:

    So this is known to many as the hardest mission in the entire Halo Franchise, and having played all the Halo games on legendary I'll have to agree that it is aswell. It's very long (took me 2 hours 15) and very hard in most of the areas that you can't skip. As you can see from the video below the World Record fastest time is nearly 18 minutes which is incredibly long for speedrunners. Use the video below to see when you can run past enemies and skip areas or for guides on where to go for fights etc, good luck!
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