Z-8250 heavy artillery

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Z-8250 heavy artillery
Production overview



Model series:



Close-in weapon system



76.7 meters (251.7 ft)[1]


25.1 meters (82.4 ft)[1]


21.9 meters (71.7 ft)[1]

Ammunition type:

Ionized particles

Energy capacity:


Rate of fire:


Effective range:


Service history

In service:

Human-Forerunner War
Forerunner-Flood War
Post-Covenant War conflicts


The heavy artillery is a Forerunner anti-air cannon and close-in weapon system that comprises the Z-8250 Anti-Ship Exterior Defense Network (Z-8250 ASEDN) along with the light artillery. Used for the defense of Forerunner ships and terrestrial installations alike, it fires guided bursts of ionized particles. While the artillery can operate independently, it is most commonly used to support and defend larger weapons, such as particle cannons.[1]

Service history[edit]

These weapons were present on the Ur-Didact's flagship, Mantle's Approach, and were used against John-117's F-41 Broadsword during the Didact's attack on Earth.[2]

A number of these weapons were also used by the Covenant remnant on Requiem during the Requiem Campaign in the locations codenamed "The Gate,"[3][4][5] "Sniper Alley"[3] and "Lockup".[6] At "Control," UNSC forces were able to hack the weapons to temporarily use them against the Covenant.[7] Contrary to the guns previously encountered, the guns at the location "Harvester" were protected by energy shielding. Most of these weapons on Requiem could be deactivated manually, however Roland had to hack the energy shields of those at "Harvester" before Fireteam Crimson could destroy them.[8]


List of appearances[edit]


  1. ^ a b c d e Halo 4: The Essential Visual Guide, page 104
  2. ^ Halo 4, campaign level Midnight
  3. ^ a b Spartan Ops, S1E2 Artifact
  4. ^ Spartan Ops, S1E3 Catherine
  5. ^ Spartan Ops, S1E5 Memento Mori
  6. ^ Spartan Ops, S1E6 Scattered
  7. ^ Spartan Ops, S1E8 Expendable
  8. ^ Spartan Ops, S1E10 Exodus