On the offchance that you've been living under a rock since 2001, Microsoft has seen fit to bring the bulk of Halo series to the Xbox One late this year, complete with an HD-ified version of Halo 2, in the form of The Master Chief Collection. And to that end, they've released a new trailer focusing on the Master Chief's friend-or-foe the Arbiter, sketching out his fall from grace. 

Conspiculously absent from the The Master Chief Collection are both Halo: Reach and ODST, neither of which followed Chief or the Arbiter, though if you want a great alternate take on the Arbiter's story, check out this amazing short from Halo: Legends that repaints his tale as samurai legend.

The Master Chief Collection hits Xbox One in November.

[Via Youtube