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 gamerpoints and can be unlocked on any difficulty.
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.