Defense, elimination of threats
407.3 kg (898 lb)–423.7 kg (934 lb)
302.3 cm (9' 11")–328.5 cm (10' 9.3")
- "I have led you, my Prometheans, for thousands of years, and I shall continue to lead you. Rise! Rise, and protect the Forerunners! Rise, and protect the galaxy!"
- —The Didact to his legions of newly created Promethean Knights
Promethean Knights are a class of mechanized Forerunner Promethean warriors created by the Ur-Didact toward the end of the Forerunner-Flood war to combat the Flood. After the Librarian exiled the Ur-Didact on Requiem, several legions of these constructs stationed on the shield world went dormant for the next 100,000 years. The machines—as well as their master—were reawakened in late 2557, when John-117 and the UNSC stumbled upon Requiem.
The Knights are bipedal, fully weaponized mechanical warriors designed to operate and eliminate threats in a wide variety of environments. While the Knights are fully machines, their AI is a result of organic minds transformed into software format via a device called the Composer, unlike the Crawlers or the sentinels which are completely artificial in origin. This extreme measure was intended by the Ur-Didact to create an unstoppable army, completely immune to Flood infection, near the end of the Forerunner-Flood war. This effort was ultimately inconsequential as the Flood had already expanded beyond all hope of containment via conventional means; however, the Ur-Didact refused to accept the Halos as the only viable solution left. The Didact's Promethean Warrior-Servants were the first Knights, but later a large number of humans from Omega Halo were "conscripted" to expand their numbers; this genocidal act was the ultimate reason the Librarian imprisoned her husband. Despite housing harvested human essences, the original personalities are no longer in evidence; the Knights are intelligent but ruthless in behavior and seemingly lacking any form of free will. A Knight's rank is based on a combination of past military service and "popularity amongst their peer group". Even composed children are converted into Promethean Knights.
Knights carry a single Promethean Watcher sentinel in the back of their armored carapace, which can be deployed at will for combat support. The Watcher's AI is a low-level ancilla split off from the Knight's essence when the Watcher is deployed. The Watcher can greatly improve the Knight's combat capabilities by raising hardlight shields, reviving fallen Knights, summoning Crawlers, building automated turrets, and flinging back enemy grenades while distracting them with its own weaponry.
Promethean Knights utilize a broad arsenal of weapons. For close-quarters combat, they are armed with a hardlight blade on one hand. Each class of Knight has a uniquely shaped blade, totaling six variations amongst them. They also use various Forerunner ranged weapons, such as Scattershots, Suppressors, Lightrifles, Binary Rifles, and Incineration Cannons; their dedicated armament largely depends on their class and role. They frequently employ pulse grenades in combat, generating it from the arm-blade's joint. Some subtypes also make use of autosentries, in addition to the support that they can already summon.
Knights are remarkably agile, and in addition to using their limbs for conventional movement they are also capable of translocating over moderate distances, allowing them to either swiftly retreat from the battlefield or to flank their enemies. Although not commonly seen in the field, Knights can also be deployed from warships and are equipped with thruster engines on the sides of their carapace for maneuvering. This capability was used during the Forerunner-Flood war, when Knights were deployed to board and destroy Flood-controlled ships from within.
Upon taking critical damage, Knights completely disintegrate, a process that Cortana described as a "data purge." Their bodies erode away from where the fatal shot was received and dissolve into glowing particles. After disintegration, a small ball of swirling light is left behind for a brief period; a Promethean Watcher can use this remnant to recreate and revive the Knight; however, an individual Knight can only be revived in this manner only once. If a Knight is destroyed, revived, and then destroyed again, the Knight's body disintegrates completely, leaving nothing behind. When a Knight is destroyed, it drops a weapon; after revival, it wields a weapon of the same type even if the first weapon was picked up.
Similar to the other Promethean constructs, as well as some earlier types of Forerunner military automatons, Knights have a number of insectoid attributes; they produce noticeably insect-like clicking sounds and tend to make spasmodic movements, especially when idle. Additionally, their carapace resembles that of an insect and possesses hatches resembling insect wings which frequently twitch and flutter seemingly at random; located on the "wings" are the Knight's anterior shield distributors. Knights have two sets of arms; two large, artificial arms at each shoulder in which the weapons are mounted and two smaller arms below the shoulders. The larger arms are composed of separate segments held in formation through an energy field. Knights also have a comparatively smaller set with small, five-fingered hands. These smaller arms are more "organic" in shape and are physically attached to the Knight's body. Their main locomotion is provided by a pair of extremely powerful legs designed for agility and speed. Broad-set stabilizers support the large body and reinforced joints offer fluid movement despite the Knight's size and mass. At the back of their feet there is a counter-locking system for tactile balance.
Knights are covered in patterns of light and have a fire-like glow around their heads. The color of this light indicates their allegiance. Those with blue lights are controlled or otherwise loyal to the Librarian or her remnant; upon the Didact's release from his Cryptum the Knights' color changed to orange, indicating they had returned to his control. The head features an armored helmet with glowing eyes and what appear to be grimacing jaws with rows of teeth. This helmet assembly can be retracted in two sections, revealing a glowing humanoid skull underneath. Cortana initially theorized that this is because the Prometheans have mimetic capabilities, and had based the skull on scans taken of the Master Chief, though the skull may in fact be based on that of a Forerunner.
- Knight Lancer - a variant equipped with long-range weaponry, greater mobility and enhanced tracking capabilities.
- Knight Battlewagon - heavily armored variant, equipped with Scattershot.
- Knight Commander - command-and-control unit for Knight forces.
- Knight Marshal
- Knight Strategos
A group of Knights on patrol in Scanned. Note the Watchers being stored in the back of their carapaces.
A Knight dispatches a Sangheili Commander.
A SPARTAN-IV engaging a Knight in close quarters.
An animated image of a Knight Lancer translocating.
The Ur-Didact, surrounded by his newly-created Promethean Knights.
A Knight Marshal in Halo 5: Guardians.
A Knight Strategos on Escape from ARC.
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List of appearances
- Scanned (First appearance)
- Halo 4
- Halo: Silentium
- Halo: Escalation
- Halo: Spartan Strike
- Halo 5: Guardians
- ^ a b c d e f g Halo 4: The Essential Visual Guide, pages 54-57
- ^ Halo 4, Terminal 5
- ^ a b Halo 4 Official site, Characters
- ^ Halo Waypoint: Promethean Knight
- ^ a b Halo 4, Terminals
- ^ Twitter - Joshington (26 April 2014)
- ^ Twitter - Joshington (24 July 2014)
- ^ a b Halo 4 E3 2012 Stage Demo
- ^ a b Halo 4, campaign level Forerunner
- ^ Halo: Cryptum, page 256
- ^ Halo 4 - Terminal 7