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Halo: The Master Chief Collection

Xbox Series
Xbox One
Windows
  • 17,137,176 Achievements Earned
  • 211,169 Players Tracked
  • 700 Total Achievements
  • 31,018 Obtainable EXP
  • 7,000 Gamerscore
  • 777 100% Club
Mystery Achievement

Inscrutable. Mysterious.

5
6.60% Very Rare - 33.08 EXP

You have not earned this achievement yet