Lord of Admirals (achievement)

Lord of Admirals is an achievement in Halo: The Master Chief Collection. It is awarded for activating the second Halo 4 Terminal on Forerunner. The achievement is worth 5 Gamerscore and can be unlocked on any difficulty.

Location
During the journey to the first pylon, the player will reach a symmetrical platform. After clearing the Prometheans in that area, John's HUD will be distorted, which prompts him to ask, "What's that distortion?" Under the door leading to the next area is the Terminal.