Why is he wearing robes? I mean, he's already in a hulking suit of armor. That enemy at the end looked pretty damn cool, though.
He's probally trying to hide himself, went rogue.. In search for Cortana. You noticed what he held in his hand right? It amazed me really.. Halo 5 is the only thing that stands between my choice of console, I just heard there might not be Forge. But that sounds to awful to be true. Got a lot to think about