Aggressor Sentinel
From Halopedia, the Halo wiki
Z-1500 Automated Systems Drones (Z-1500 ASD),[1] more commonly known as Aggressor Sentinels,[3] are Forerunner automatons programmed to act as security and maintenance drones, suppress small-scale Flood outbreaks, and protect Forerunner installations. As the basic type of the fairly inclusive Sentinel class, Aggressors are generally referred to simply as Sentinels.[3] ContentsDesign details[edit]Aggressor Sentinels have two arm-like appendages, with two fine manipulators at the end of each arm. Their central head rests above a curved undercarriage housing an offensive Sentinel beam. Their powerful beam weapons and defensive energy shields make them very effective in combat against intruders or foreign objects that present themselves as threats. Their smaller lasers are used for both repairing damaged Forerunner constructs in conjunction with Constructors, and self-repair should the Aggressors be damaged in combat.[4] Aggressors are propelled by both an anti-gravity unit located on the undercarriage and small, exotic form of impulse drive which enables them to travel at high speeds.[1] They are also capable of tapping into their installation's teleportation grid.[1] There are at least two variants of the Aggressor Sentinel; the most common model is grayish white in color while the specialized model is golden. The differences between the two variants lie solely on their offensive and defensive systems; the gold-colored version sports superior weaponry and shielding system to the common grayish-white model's. Aggressors are created at specialized manufacturing facilities,[4] massive airborne platforms that are located on every Halo installation and on other key Forerunner installations such as shield worlds. These compounds produce Sentinels when facing either a Flood outbreak or an external threat to their local installation. The massive assembly lines, at maximum performance, can produce Sentinels at a very fast rate to either supplement existing Forerunner defenses or to replace those destroyed for whatever reason. Operation[edit]Aggressors were utilized as all-purpose workers and guards on Forerunner stations. Following the construction of the Halo Array, they were reconfigured to be the first line of defense against Flood outbreaks and other external intruders. The mechanical nature of the Aggressors make them ideal combat units against an enemy that could convert conventional biological infantry into biomass - by deploying the Aggressors en masse, the Forerunners could battle the parasite without contributing to its numbers. Controlled by their own basic AI functions, as well as their installation's monitor, Aggressors patrol the installation's vast terrain and network tunnels tirelessly and attack as their protocol demands.[4] When not in combat Aggressors serve as basic repair, maintenance, and security drones for Forerunner installations and facilities where Flood samples are kept, working in conjunction with Constructors and Enforcers to ensure that the facility remains in working order. The Forerunner Dreadnought, the San'Shyuum's keyship, was equipped with its own contingent of Sentinels. The San'Shyuum managed to adapt these machines to serve them in a combat support role. Aggressors under San'Shyuum control were used in battles during the War of Beginnings before the Covenant's formation.[5] The war depleted the Sentinels' numbers almost completely and the few that remained in High Charity were regarded as relics to be preserved and were no longer used in combat.[6] Combat behavior[edit] An Aggressor firing its Sentinel beam. Aggressors are the first Forerunner automated defense systems to assist a in a given situation and generate a proper response protocol. While Aggressors are strong enough to handle small-scale battles, they are more of a supplement rather than a reliable combat system. The Aggressors' weapons systems are limited and not as powerful as some of the other Forerunner weapons employed against the Flood, and can only hold them at bay for a limited amount of time. Because of their limited AI, they are only individually able to handle situations on a basic scale, which makes them vulnerable to strategic Flood attacks. Because of their limited intelligence they are not often able to perform evasive maneuvers when facing imminent attack and are usually destroyed. In overwhelming numbers, Aggressors are capable of impressive coordination and are more than capable of handling a situation for a certain time until more permanent measures can be applied. The Aggressor's energy shield is their primary defense mechanism. Once taken down, it is susceptible to any type of small-arms fire. When an Aggressor has been damaged beyond repair, it explodes violently and releases a powerful electromagnetic pulse, a tactical last resort that disables all nearby electronics.  Thousands of Aggressors swarming the Enduring Conviction. When faced with a single threat of sufficient physical size, such as a capital ship, Aggressors have been known to deploy en masse and create a swarm. Instead of using their individual weapons, they fly in formation and use their bodies as projectiles, causing enough damage to end the threat. This was seen during the conflict on Installation 00 in 2559, when Enduring Conviction's energy projector was fired upon the surface of the Ark, breaking the installation's outer crust. Thousands of Aggressors on the installation were quick to respond, using their combined mass to tear the ship's hull apart and cut it into two pieces.[7] Variants[edit]
Gameplay[edit]Changes from Halo: Combat Evolved to Halo 2[edit]
Changes from Halo 2 to Halo 3[edit]
Changes from Halo 3 to Halo 4[edit]
Halo Wars[edit]
Aggressors appear in both campaign and Skirmish mode of Halo Wars, serving as an air unit. In campaign, Aggressors are the primary Forerunner unit, appearing on levels set within the Etran Harborage. Like all Forerunner units, they are hostile towards all three other factions, including UNSC, Covenant, and the Flood. They are produced from invisible spawn points that could not be targetted or destroyed. In Skirmish mode, neutral Aggressors are seen defending Forerunner forts, which occupied base build sites, and bonus buildings such as the Forerunner supply elevator or Forerunner secondary reactor. Player-aligned Aggressors are only found on Skirmish maps Repository and Glacial Ravine. These two maps feature Sentinel factories, where players can purchase Aggressors which can then be added to their forces. Halo Wars 2 Open Beta[edit]These units will defend the Domination Point in Domination. Halo Wars 2[edit]Aggressors Sentinel are normally a hostile unit, but Professor Anders' upgrade for the Protector Sentinel allows Aggressor Sentinels to be its escort. Aggressors have a smaller version known as the Sentinel Swarm, which is impervious to most attacks, except when struck by an EMP MAC or the Aggressor Sentinel coordinating it is destroyed.[8][9] On the skirmish map, a group of three Aggressors can be seen guarding a Power Node and it has the ability to de-capture the Power Node should anyone takes control of it while the Aggressors is around. Trivia[edit]
Gallery[edit]
List of appearances[edit]Sources[edit]
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