Katana
From Halopedia, the Halo wiki
If one gets every achievement (1000 GP out of 1000), the player gets a special samurri sword on the back of his/her armor. The sword closely resembles Ryu's Dragon Sword, and is not usable by the player.
From Halopedia, the Halo wiki
If one gets every achievement (1000 GP out of 1000), the player gets a special samurri sword on the back of his/her armor. The sword closely resembles Ryu's Dragon Sword, and is not usable by the player.