Defend the station's MAC gun from Covenant boarders.
Rally scattered marines, clear hostile contacts from the old-city.
Take the bridge, break the Covenant's grip on the city-center.
Infiltrate a Forerunner facility, quell the heresy within.
Kill the Heretic Leader. The Prophets' will be done.
A Covenant army stands between you and Regret. Get to work.
You heard the lady. Locate the Prophet, take him down.
Succeed where others have failed. Lower the shield protecting the Sacred Icon.
Parasites, humans - no matter. The Icon must be found.
The Prophets have the Index and plan to use it? Over your dead body.
This is certain: The Brutes shall pay for the blood they have spilled.
Cortana can handle the Index - stopping Truth is up to you.
The Great Journey
Form an unexpected alliance, keep Tartarus from activating the ring.