Microsoft revealed the Halo Wars 2 Official E3 Trailer and alongside the reveal mentioned an open beta which is available from today. In Halo Wars 2, the Spirit of Fire and her crew, led by Captain Cutter, face a deadly new faction known as The Banished. Their chief, the Brute warlord Atriox, is both a deadly warrior and brilliant military leader in control of a massive army. The key to victory is knowing your enemy, but Atriox is a threat no one is prepared for.