archon armor
To get security armor in Halo 3... all you have to do is get all of the original 49 achievements (you don't need the new mythic or legendary achievements).
Errr... No.
Yes, halo 3 mythic is the exact same thing as halo 3 just doesn't have the campaign, also Halo 3 mythic has the new mythic maps included. Online will not change during any gameplay.
You can't. The Mythic Maps our only playable on Halo 3, not Halo Wars.
no
you have to get 50 exp in a Single play-list in matchmaking like lone wolves or team doubles
Mythic map pack mythic mature pack
No. You either need to purchase it from the marketplace, or you can get the mythic disk when you buy Halo 3: ODST.
You can't but, you get it free if you buy Halo 3 ODST.
There are 6 total skulls in halo 3, the ones for Mythic 1 and Mythic 2
you cant you can get more to get the locked armor by getting the new achivments and the mythic map pack. pop