Were you looking for the Halo 2 level, Gravemind (level), or the Flood form?

Gravemind is an achievement in Halo 2 Vista and Halo: The Master Chief Collection. It can be obtained by beating the level, Gravemind, on Normal, Heroic, or Legendary.

The Halo 2 Vista achievement is worth 30 Gamerpoints and is represented by Cortana's head.


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