You can't, it is not possible to spawn as one without the use of mods for the game.
I'm afraid that you cannot be a brute in halo 3.
There is no Brute armor in Halo 3, only Elite and Spartan models.
no
spirits are not in halo 3
You can't.
you dont
You cant. Its not a game option.
kill a brute cheiftan
you have to complete halo 3 odst on legendary, have xbox live and complete halo 3 on legendary
No. You can only access them in campaign
There is something called a brute in the game of Halo but not something called a Halo Brute lo.l The Brutes play their part in: halo 2 (near the end) Halo 3 (Half of the game is brutes) Halo Reach (ehh... parts of the game) obviously in campaign lol. Hope this helps.
you cant