Halo: The Last Stand

The Sanghelios has been annihilated by the Covenant and merged, The Arbiter was challenged and defeated by an Elite by the name of Dairak, raging war on the Human race, and with that, in two years, the Human kind is on their last stand, Siera 117, Master Chief, fell in combat after a battle on a UNSC Destroyer, now, very few Spartans remain, and Humanity is hit down to Earth, it's final stand. The Covenant build their forces in hopes to erradicate the Humans...