One for All Achievement - Halo 5: Guardians - Exophase.com

Halo 5: Guardians

Xbox One

3,015,571 Achievements Earned
143,135 Players Tracked
73 Total Achievements
14,113 Obtainable EXP
1,250 Gamerscore
2,354 100% Club

Completed any co-op Mission on Heroic difficulty.

10

24.05% Rare - 79.00 EXP

You have not earned this achievement yet