• 17,619,533 Achievements Earned
  • 216,026 Players Tracked
  • 700 Total Achievements
  • 30,591 Obtainable EXP
  • 7,000 Gamerscore
  • 809 100% Club

Halo 3: Activate Cortana's Terminal on Cortana.

5
9.04% Very Rare - 24.07 EXP

You have not earned this achievement yet