Protocol Dictates Action
From Halopedia, the Halo wiki
Halo: The Master Chief Collection
In Halo: The Master Chief Collection the achievement is unlocked by completing ONI: Sword Base on any difficulty. The Xbox achievement artwork is a Halo: Reach concept art of Halsey's laboratory and the Forerunner vessel under Sword Base, as seen in The Package.
- The achievement's name is a direct quote from 343 Guilty Spark, when attacking John-117 in Installation 08's Control Room.