Determined
From Halopedia, the Halo wiki
Determined
Determined is an achievement in Halo: The Master Chief Collection. It is awarded for activating the eighth Halo 2: Anniversary Terminal on Sacred Icon. The achievement is worth 5 Gamerscore and can be unlocked on any difficulty.
Location[edit]
The terminal is found in the room with the final piston of the level. The room is easily identified by the fact that it is completely calm; the only Flood in the room are dead. The terminal is behind a wall on the right side of the room.