Achievement Hunter: Challenge Accepted

Can You Kill All Friendly Allies on Legendary? - Challenge Accepted (2021x4)

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We're try to beat all the Marine and Spartan NPCs at the beginning of the Halo 4 Reclaimer Mission on Legendary. Welcome to Challenge Accepted, where we take on challenges given to us by the community. Send us your challenges in this or any other game here: https://forms.gle/GWK5ENvw2vnxjorw7