You must use all available armor abilities that are in the game at least once. To use an armor ability simply press
using default controls. The armor abilities do have a short cooldown in between uses so you'll need to wait a few moments before using them again.
The list below is where you'll first be able to use every ability. Those of you who unlocked this achievement in the Windows Phone or Windows 8 version may remember that the last three were not required in those versions but they are here.
Regeneration Field: You start with it in mission A-1
Sprint: You start with it in mission A-3
Stun Blast: You start with it in mission B-1
Hologram: You start with it in mission B-4
Active Camouflage: You start with it in mission C-3
Hardlight Shield: It is located as a pick-up in mission C-4, you also start with it in mission D-2
Autosentry: Has to be bought before any mission for 300XP or 15 CR
Overshield: Has to be bought before any mission for 400 XP or 20 CR, alternatively you may get a free use if you played Halo 4
Seeker Drone: Has to be bought before any mission for 800 XP or 40 CR, alternatively you may get a free use if you played Halo 4
Happy Hunting!