The last 25 years have seen Master Chief dressed to impress with his Mjolnir armor sets, and for Halo: Campaign Evolved, you can celebrate the legend’s keen fashion sense with some slick cosmetics. While the game puts a modern twist on the classic Mjolnir Mark V armor, you’re not locked to that specific assault armor, as you can switch it out for a different skin when you’re in the main menu. Updating Master Chief’s armory is pretty easy, and you…