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“The Spartans were using hologram decoys and confusing the hell outta those Grunts. Never seen anything so funny.”
— Lieutenant Elizabeth Kwan[1]

The Type-27 Responsive Holographic Form Emulator, also known as the Holographic Decoy or Hologram, is an Armor Ability featured in Halo: Reach, Halo 4, and Halo: Spartan Assault. It generates a holographic copy of the user's physical form and moves in a direction or to a point specified by the user.[2]

Halo: Reach / Halo 4Edit


  • Holograms can be used to cause opponents to waste ammo.
  • Holograms can be used to cause opponents to expose their locations, weapons, or abilities.
  • Holograms can be used to distract opponents.


  • There are many ways to indentify a hologram from a real player:
    • If a hologram takes damage, it will flicker.
    • A hologram has no shadow, no secondary weapon, no Armor Ability on its back, and no Gamertag above its head.
    • In Halo: Reach, a hologram will blink in the Sniper Rifle's night vision screen, the Spartan Laser's small viewscreen, the Focus Rifle's vertical viewscreen, the Revenant's driver-side monitor, and the Gauss and Rocket Warthogs' targeting screens.
  • In Halo: Reach, Holograms sometimes expose themselves by flickering on their own. This was removed in Halo 4.


  • In Halo 4, if a hologram is directed to stand over a dead body, it will teabag the dead player.




  1. Halo: Spartan Assault, Random Pre-Game Quote
  2. Halo Waypoint - Hologram
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