Official "HALO WARS 2" Story Vidoc (2017) for Xbox One and Win10. Know Your Enemy: The Story and Characters of Halo Wars 2. Join 343 Industries for a glimpse into the task of bringing beloved heroes back into the fold after three decades adrift in space. What new adventures await them in this new galaxy? What new allies and adversaries will they meet? Find out how it’s all coming together in this behind-the-scenes featurette for Halo Wars 2.