I need help on legendary on halo 3?

[Derek W]

Actually i really just need to do the covenant, the ark, and cortana. I really want to get it done tonight. My name Lrg x LiOn, the o in lion is either the number or the letter. Just try both. So send me a friend request. You need a mic.

 

[Dakota]

if you cant do this on your own... you suck. sorry just pointing out the obvious