Halo (Halo 3 level)

Return is believed to be the ninth and final campaign mission of Halo 3.

It takes place in an unidentified Halo ring.

Upon completing it on the Normal, Heroic, or Legendary difficulties, the player will earn the "Return" achievement and 50 Gamerpoints.


 * Halo 3 Achievements

Trivia
Also, as of today, September 17, the ending has been leaked. It is on youtube and I stongly recomend you do not let it ruin the experience.