Powered by MJOLNIR is an achievement in Halo: Spartan Assault. It is obtained by using every Armor Ability at least once. In the Windows 8 and Windows Phone 8 versions, this excludes Overshield and Seeker Drone.

Unlocking this achievement on the Windows 8 or Windows Phone 8 versions of the game will allow you to redeem the Able Spartan code at the Classified Terminal on Halo Waypoint.

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