- Wilis_kid
- |
- Exalted Heroic Member
I think you need all of the original 49 Halo 3 achievements, not the new ones. I can't confirm that, some sources say you need a total of 49 achievements. Safe bet is to get the original ones.
Once unlocked, it's just a chest plate called Katana.
[Edited on 01.21.2012 9:03 AM PST]