Halo: Campaign Evolved Proto Gravemind Achievement — How to Unlock
How to unlock the Halo: Campaign Evolved Proto Gravemind achievement: Find all skulls and terminals in 343 Guilty Spark.
ACHIEVEMENT ROUTE
Halo: Campaign Evolved Proto Gravemind achievement requirement: Find all skulls and terminals in 343 Guilty Spark
Confirmed details
- Trophy: Bronze
- Gamerscore: 20
- Difficulty modifiers prevent unlock: No
Related guides
Sources
Last reviewed: July 24, 2026