Armor Ability Effect
H4-ActiveCamo-HUD-Icon.png
Active Camouflage

The Type-3 Refraction Dissonance Modifier/Camouflage system bends light around a structure, hiding it via advanced pattern realignment. It is similar to the version in Halo: Reach, however the jammer no longer makes false hostile contacts appear on the motion sensor, rather it makes neutral contacts appear and in a much tighter grouping than before, therefore not only preventing the user from using it to trick enemies, but possibly giving away their location. Despite this, it still is an effective tool for hiding outside of cover and ambushing enemies.

H4-AutosentryDrone-HUD-Icon.png
Autosentry

The Z-2500 Automated Protection Drone is a support drone used by the Prometheans to suppress enemy combatants. It fires an energy bolt at a moderate rate, and can be taken down in several shots.

H4-HardlightShield-HUD-Icon.png
Hardlight Shield

The Z-90 Photonic Coalescence Emitter/Aegis fuses particles of light into a powerful barrier. The shield is deployed in front of the player.

H4-HolographicDecoy-HUD-Icon.png
Holographic Decoy

Functionally similar to the version in Halo: Reach, the T-27 Responsive Holographic Form Emulator is designed to confuse or distract the enemies' attention by producing an identical holographic copy of the user. Aiming at a hologram deployed by an enemy will make the reticule turn red, making the decoy even more convincing. As an easter egg, projecting a hologram onto a corpse will cause the hologram to hump it.

H4-Jetpack-HUD-Icon.png
Jet Pack

The Series 12 Single Operator Lift Apparatus mitigates gravity, allowing mobility in challenging terrain. It was designed specifically for SPARTAN-IV personnel.

H4-PrometheanVision-HUD-Icon.png
Promethean Vision

The Z-5080 Short-Range Spectrum Augmenter/Vision enhancement armor ability allows the user to see through solid objects, keeping them apprised of approaching enemies from any direction. It also renders cloaked enemies visible. It also has long range capability.

H4-RegenerationField-HUD-Icon.png
Regeneration Field

The M2705 Regenerative Kinetic Dispersal Field first applies a force to remove hostiles from the presence of the user and then temporarily appropriates armor system functions, targeting biological and combat vitality oriented armor functions in order to repair the user.

H4-ThrusterPack-HUD-Icon.png
Thruster Pack

The M805X Forward Acceleration System/Fulcrum Mitigating allows Spartans equipped with the [GEN2] MJOLNIR armor to navigate easily across any terrain. It can also be used to speed ones decent off an edge.