Finished Vault of Glass Hard Mode - got the spaceship and no mythoclast - me: T_T
This achievement is so unnecessary. The question bank is dry by the time you hit the 500 mark.
Halo: Reach: Observe the logo of a buttoned-up mining company. - Halo: The Master Chief Collection
Halo: Reach: Find the hidden binary signature. - Halo: The Master Chief Collection
Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites. - Halo: The Master Chief Collection