Halo 5 E3 Campaign Demo as revealed at E3 2015! This Halo 5 Guardians campaign debut shows Spartan Locke and Fireteam Osiris in the mission “Battle of Sunaion,” as they pursue the Master Chief and Blue Team on the planet Sanghelios. The campaign in Halo 5: Guardians will be available October 27, 2015.
