Can someone help me with Legendary on Halo 3?

[Ace of Spades]

If you would like to get through halo 3 campaign on legendary post your gamertag and we can party up to get through it.

 

[Wes Goodwin]

if you have another controller do like wut i did and just play co op by urself and leave arbiter behind and kill then die then respawn then kill then die then respawn