The Exo Ability is a modification option to the Exoskeleton in Call of Duty Advanced Warfare. Each ability provides a different play style option with some giving extra armor and others providing extra movement abilities.

Exo Shield
Quickly deploy a portable shield attached to your arm.
Unlocked: Default

Exo Overclock
Gain a temporary speed boost.
Unlocked: Default

Exo Mute Device
Silence your footsteps.
Unlocked: Default

Exo Stim
Temporarily generate health beyond normal levels.
Unlocked: Level 3

Exo Cloak
Visually conceal yourself for a short duration.
Unlocked: Level 13

Exo Hover
Hover in place for a short duration.
Unlocked: Level 21

Exo Ping
Show enemy Exo movement and weapons fire in your HUD.
Unlocked: Level 33

Exo Trophy System
Destroy up to two incoming enemy projectiles.
Unlocked: Level 45