Last Stand (achievement)

Last Stand is an achievement for Halo 3 and Halo: The Master Chief Collection. In the original game, it is worth 40 Gamerscore and is unlocked by beating The Covenant on Normal, Heroic, or Legendary. In The Master Chief Collection it is only worth 10 Gamerscore, though it can also be unlocked on Easy.

In the original game it is represented by a blue plate with the roman numeral VII on it. In The Master Chief Collection it is represented by a screenshot of the level.

Trivia
The name of the achievement is a reference to the fact that this level marks the last stand of the Prophet of Truth and the original Covenant.