Enforcer Sentinel

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For the MJOLNIR armor variant, see ENFORCER-class Mjolnir. For the Banished Sangheili, see Sangheili Enforcer.
Enforcer Sentinel


Defense, coordination[1]


7.0 meters (23.1 ft)[1]


6.5 meters (21.4 ft)[1]


5.4 meters (17.8 ft)[1]



Hard light pavise[1]


Enforcer Sentinels[1][3] are variant of large combat Sentinel designed by the Forerunners. They are primarily tasked with key defensive missions and may coordinate local Sentinel activity around security breaches and within Flood containment areas, isolating, containing, or otherwise eliminating any hostile presence.[1]


Design details[edit]

Enforcers are a specialized Sentinel variant equipped with energy shields and an array of powerful weapons. They serve as part of a Halo installation's defense against mass Flood outbreaks and have been seen guarding key locations such as the entrances to the Sentinel wall and the Library on Installation 05. While deployed, they may serve as local command-and-control for lesser Sentinel forces in the field.[1] Due to their primarily defensive focus, Enforcers only have limited utility in noncombat functions.[1] Enforcers can be manufactured on-site by a hovering Sentinel manufacturing facility.[4]

Enforcers have three energy shields; the larger two are split in half (for their shard cannons to fire through), and the small upper shield protects the 'eye' of the Enforcer. However, the shields only protect the front of the machine. Enforcers are armed with shard cannons and missiles. They are also equipped with large claw-like arms which are able to pick up and rip apart most vehicles.


The Enforcers have far more devastating weaponry than the lesser Aggressors, being equipped to neutralize large groups of Flood and any vehicles or other matériel that may have fallen under their control. An Enforcer's primary anti-personnel weapons are two shard cannons, which fire red bolts of semi-solid energy that puncture armor and shred through flesh.

To take out packs of enemies or armored vehicles, Enforcers are equipped with a launcher that fires explosive projectiles. These missiles can cause devastating damage to infantry and vehicles alike.

In the event that all other weapons are disabled, Enforcers will use a last-resort, powerful energy beam. This beam is similar to a Sentinel beam, but with increased range and capable of causing greater damage.

Enforcers are also capable of using their two mechanical arms as anti-vehicle weapons. When a vehicle moves underneath an Enforcer, it will temporarily cease attacking, descend directly above the vehicle and unfold its claws, revealing a gravity lift powerful enough to lift a Wraith. It then lifts the vehicle up to its claws and crushes it.


Enforcers have been only known to be observed on Installation 05 fighting the local Flood infestation.[5][6]

In-game information[edit]

Halo 2[edit]

Two Enforcers engage a Scorpion tank.

The Enforcer's energy shields can absorb more damage than a normal Sentinel shield. The shields, which only guard the front area of the machine, are immune to ballistic weapons, such as the battle rifle, shotgun, and SMG. However, they are weak against plasma weapons, and have many similarities to a Kig-Yar's shields as they are blue in color and turn red when nearly depleted. Like a Sangheili or Spartan-II, its shield can be taken out with one charged Plasma Pistol shot.[5][6]

The Enforcer is very strong, capable of withstanding even two Scorpion shells or two to three Wraith shots. If the Enforcer is lifting a vehicle off the ground, all occupants should exit the vehicle immediately to avoid being crushed.

One disadvantage of the Enforcer is that they cannot detect enemies in cover, which can be used to a player's advantage. If a player moves stealthily enough from one area to another, the Enforcer will continue to fire into the last known area the enemy was located in. After they have lost track of their target, they will quickly lose interest and turn their back on the enemy, giving the player an opportunity to attack from behind. Once the Enforcer has taken enough damage, its shields will drop and it will explode. After exploding, large pieces of the former Enforcer will come crashing to the ground. These pieces can injure or even kill the player if they land on them, making it best to stay away from the Enforcer when it is destroyed.[5][6]

The Enforcer's shard cannons, which appear similar to the Needlers' projectiles, are usually not a threat to players as they are very easy to dodge. It uses these red projectiles to fight infantry at close- to medium-range. Its mortar projectiles, on the other hand, are extremely dangerous and can quickly pin down or kill infantry. It will use its missiles against any vehicle it encounters, from a Ghost to a Phantom, and will occasionally use it against infantry, should they appear in large groups. The Enforcer uses its mortar projectiles as medium- to long-range weapons. Enforcers also use both their shard cannons and missiles against the player when on foot. They tend to fire their weapons in an order, going from their shard cannons, then to their missiles, then back to the shard cannons. It will continue this until the player is killed or when the Enforcer is destroyed.[5][6]

If the player can shoot off its shard cannon arms, and the small pair of missile launchers on the top of its back, it will start to fire an invisible Sentinel beam. Although invisible, the beam causes visible damage to walls. The sparks emitted from the weapon show that the beam is blue, similar to the beam an Aggressor Sentinel uses. Thereby, you can wield it (it is somewhat hard to do this, so it is not advisable, but, you can try it, making sure not to kill the Enforcer in the process.


For close combat, simply leap below it so that it can't position/fire on you. From there, you should shoot off the "legs" on each corner, making it easier to destroy. Finally, simply bombard it with plasma grenades; it should die after two or three on Heroic.

For vehicular combat, players should utilize the Scorpion you can easily blast the shielding in front of it off (one shot per half). Then, you can destroy it with one more blast. For Wraiths, repeat, but take gravity into consideration. Spectres just require patience and non-stop shooting to work. In the event you don't have a vehicle, do not stay still. You will be gunned down if you do. Do not drive directly under it to avoid being crushed.

It is possible to "surf" these Enforcers, similar to surfing an Aggressor, by jumping on top of it. Note that this is very hard to do. Also, while you are on top of an Enforcer it will not be able to attack the enemies, as it will identify you as the enemy, and focus on you, making the Enforcer useless.


  • The Enforcer's front shields form a visible and viable Marathon style logo.
  • Enforcers were originally planned to appear in Halo 3 in the cut Guardian Forest level, but were cut when the level was.


Development images[edit]


List of appearances[edit]


  1. ^ a b c d e f g h i j k Halo Encyclopedia (2022 edition), page 327
  2. ^ a b c Halo Encyclopedia (2011 edition), page 237
  3. ^ Halo 2, campaign level Sacred Icon: "It is useless to attack the Enforcer at the front, especially when its shields are up" - Tartarus
  4. ^ Halo Encyclopedia (2011 edition), page 236
  5. ^ a b c d Halo 2, campaign level Sacred Icon
  6. ^ a b c d Halo 2, campaign level Quarantine Zone