This is Not Your Grave…
From Halopedia, the Halo wiki
This is Not Your Grave...
This is Not Your Grave... is an achievement in Halo: Reach. It is awarded for completing The Package on Normal or higher. [1]
Trivia
- The name is a reference to a quote made by the Gravemind: "This is not your grave...but you are welcome in it."[2]
Sources