From Halopedia, the Halo wiki
Retrieved from "https://www.halopedia.org/index.php?title=Reviewer&oldid=1352235"
Reviewer is an achievement in Halo: The Master Chief Collection. It is awarded for activating the twelfth Halo 2: Anniversary Terminal on High Charity. The achievement is worth 5 Gamerscore and can be unlocked on any difficulty.
The terminal is on the left side of the room immediately after entering the Inner Sanctum.