On Earth, the Master Chief helps to repel hostile forces Pact Mombasa, Kenya and Voi. With the referee (a Covenant Elite who sided with humanity) and other partners, the head leads the assault on a Forerunner artifact that the Prophet of Truth Pact tries to activate. After helping to control the infestation, the Master Chief, who often wear master chief armor , follows Truth to the Ark. Vast world built on light 262,144 years from the center of the galaxy, the Milky Way and beyond the scope of any trace there, all the Halos can be remotely activated, Malthus kill all living beings could be infested by the flood. It was discovered that a new Halo is built to replace the Master Chief destroyed in Halo: Combat Evolved. The Flood is the Chief Ark, bringing High Charity through rate glides portal to escape the scope of Halo original six. Allied elites and humans decide to activate the new Halo to kill the Flood outside the galaxy, and Malthus preserve life there. 343 Guilty Spark opposes the premature activation of the incomplete installation and try to stop it. Master Chief destroys him, activates the ring, and escapes with Cortana and the Arbiter on the UNSC frigate Forward unto Dawn. During the flight, the door slides Aube pace in two short collapse, stranding Cortana and Master Chief in deep space. While the referee returns to the ground, Cortana activates a distress beacon, knowing that the rescue could take years, the Master Chief enters the cryogenic sleep, says Cortana: "Wake me when you need me." If the player completes the last legendary difficulty level, a cut scene shows half of the ship floating near an unknown planet.

Halo 4

Halo 4: Main article and master chief costume

The Master Chief was not in the wars of real-time strategy Halo game - although fellow Spartans are player controllable - or in Halo 3: ODST has a cameo appearance in Halo: Reach. Commenting on the future of the franchise in 2009, O'Connor told U.S. Today, "I doubt we've seen the last of Master Chief", noting that his fate at the end of Halo 3 is a mystery which "would irritant" but more of a cliffhanger.