Microsoft released the Valhalla ( Ragnarok ) Mantis Trailer for “Halo 4” coming November 6, 2012 to Xbox 360.

Game Description: Master Chief returns in Halo 4, part of a new trilogy in the colossal Halo universe.

Set almost five years after the events of Halo 3, Halo 4 takes the series in a new direction and sets the stage for an epic new sci-fi saga, in which the Master Chief returns to confront his destiny and face an ancient evil that threatens the fate of the entire universe. Halo 4 also introduces a new multiplayer offering, called Halo Infinity Multiplayer, that builds off of the Halo franchise’s rich multiplayer history. The hub of the Halo 4 multiplayer experience is the UNSC Infinity – the largest starship in the UNSC fleet that serves as the center of your Spartan career. Here you’ll build your custom Spartan-IV supersoldier, and progress your multiplayer career across all Halo 4 competitive and cooperative game modes.

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By Brent Butler