Aggressor Sentinel
From Halopedia, the Halo wiki
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- "Sentinels! The holy warriors of the sacred rings!"
- — A Special Operations Sangheili exclaimed upon seeing Aggressor Sentinels in the Threshold gas mine.[4]
Aggressor Sentinels[5] (UNSC Z-classification: Z-1500 Automated Systems Drones, Z-1500 ASD)[2] 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.[5]
Overview[edit]
Design 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 generally housing an offensive sterilization 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. Aggressor Sentinels are also equipped with a small reconstitution emitter, which uses lasers to repair damaged Forerunner constructs in conjunction with Constructors and for self-repair should the Aggressors be damaged in combat.[6] 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.[2] They are also capable of tapping into their installation's teleportation grid.[2]
There are at least two major variants of the Aggressor Sentinel. The standard model is gray or silver in color while the specialized Aggressor Sentinel Eliminator is golden. The differences between the two variants lie solely on their offensive and defensive systems, with the Eliminator sporting superior weaponry and shielding systems.[7][8][3]
Aggressors are created at specialized manufacturing facilities located on every Halo installation and on other key Forerunner installations.[6] These facilities can consist of large airborne platforms or subterranean factories where Aggressors are birthed in nanomachine vats and programmed to serve.[8][9][10] Each Forerunner installation has its own design of the Aggressor Sentinel, but they all share the same basic structure and purpose.[1]
Operation[edit]
Aggressor Sentinels were deployed in massive numbers during the Forerunner-Flood war.[1] Unlike their own biological soldiers that could be converted into biomass, the mechanical nature of the Aggressor Sentinels allowed the Forerunners to battle the Flood without contributing to its numbers.[6] Billions are estimated to be active across the myriad of Forerunner installations where they are utilized as all-purpose workers and guards.[1] Following the construction of the Halo Array, they were installed on the ringworlds as their first line of defense against Flood outbreaks and other external threats. Controlled by their own basic ancilla 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.[6]
When not in combat, Aggressors serve as basic repair, maintenance, and security drones for Forerunner installations and facilities where Flood samples a