Chaos Knights - Chaos Knight Relics: Amongst the most coveted relics of the Fallen Noble houses of the Chaos Knights are those whose destructive technologies have been lost to the march of time, as well as those that have been imbued with the power of the Dark Gods. More than once has a war been waged between households for possession of one of these malefic artefacts.The Blasphemous Engine - To alter the workings of a Knight's Plasma Reactor is an act of heresy against the Omnissiah. But the magi of the Dark Mechanicum revel in such profane ingenuity. In rituals that can take solar decades or even Terran centuries to conduct, these heretical Adepts can bind a Greater Daemon within the reactor of a Chaos Knight, allowing the war machine to siphon off the enormous power of the caged entity. This artefact is only ever used by Chaos Knights of Infernal houses or Dreadblades.Veil of Medrengard - At some point during the 33rd Millennium, the Warpsmiths of the Iron Warriors crafted an artefact named for the Traitor Legion's home Daemon World. Known as the Veil of Medrengard, this device appears to be based off an STC that either has not been uncovered in any other part of the galaxy, or has been so twisted by Warp corruptions as to become unrecognisable. When installed in a Knight suit, it projects a barrier of energy of far greater power than a standard Ion Shield. The Veil of Medrengard was originally gifted to the Fallen Nobles of House Garras for their service during the Horus Heresy, but has since been passed to many other Iconoclast houses.Khornate Target - Wrought from the metallic carapaces of slain Imperial Knights and embossed with the skulls of their pilots, the Khornate Target pulsates like a throbbing heart as its bearer draws closer to its enemies. When a Fallen Noble activates this cursed shield, psychic barriers are silenced and technological force fields blink out of existence. By removing the esoteric defences of both their enemies and their own Chaos Knight, the pilot opens a window in which unadulterated carnage can occur.Tzeentchian Pyrothrone - The gheists that inhabit this constantly burning Throne Mechanicum are all members of the Tzeentchian cult. Through their whispers they impart to the bonded Fallen Noble the malefic secrets they learnt across many lifetimes of arcane study, divulging the horrors known only to those who serve the Changer of Ways. Such is the power contained within this Throne that the Fallen Noble is able to manipulate the Warp from within their Knight suit, summoning pillars of coruscating fire to immolate their enemies, or rebuffing the psychic conjurations that are levelled against them.Helm of Warp-Sight - Only six of these faceplates were crafted by the heretical Magos Vex- Prodotian before he was slain by warriors of the Grey Knights. It is said that this techno-blasphemer adapted Knight Helms to allow the pilot constant vision within the Warp -- showing them glimpses of the future to guide and enhance their aim, but also inevitably driving them insane through their exposure to the terrors of the Empyrean. It can only be used by the pilots of Questoris Pattern (Abhorrent-class) Chaos Knights.The Diamonas - Towards the end of the Moirae Schism in the 35th Millennium, a radical sub-sect of the Moirae creed known as the Xarisians indulged in rampant techno-heresy in the attempt to win the civil war that split the Adeptus Mechanicus. Hunted down as Hereteks even by the members of their own creed, the dark adepts of the Xarisians were slaughtered and their malefic technologies destroyed. However, one of their creations -- the powerful Laser Destructor known as the Diamonas -- survived the war, and it is said that many bitter battles have been fought amongst the Fallen houses for possession of this remarkably powerful Knight weapon.The Tyrant's Banner - The dark runes of power emblazoned upon this banner carry a great weight amongst the worshippers of the Dark Gods. When a Chaos Knight bearing this heraldry arrives within a war zone, planets in nearby sectors that have sworn fealty to the Tyrant's house will do anything to fulfil the tithes that are demanded. Whole continents are stripped of resources and offered as tribute, while cities are slaughtered in bloody sacrifice. But these runes are not merely symbolic. In battle, the power of the Warp pulsates from this banner, enrapturing the servants of darkness, binding them to the pilot's will and increasing their morale and coordination. It can only be properly displayed by Questoris Pattern Chaos Knights.The Teeth That Hunger - It is said the deadly sharp teeth of this Reaper Chainsword spin thrice the speed of lesser weapons, resulting in a horrific scream roaring from the weapon as it cuts through its foes. However, to bear such a weapon is to forever fight to keep its insatiable hunger at bay, for if it is not given enough souls to devour, it may instead feed upon the life force of the Knight pilot who carries it.Rune of Nak'T'Graa - A number of Dreadblades who have been exiled from their houses join the Cult of Nak'T'Graa -- a mythical king from the Age of Strife who sought to achieve godhood. Those that submit to the cult carve a dreaded rune upon the hull of their Knight suit before setting upon a dark quest to find his temple, which supposedly lies within the Realm of Chaos itself. Few return from such a quest, but those that do are forever transformed...The Putrid Carapace of Nurgle - It is unclear where the Putrid Carapace first came from, but it is certain that this sentient Warp ooze is a creation of the Plague God Nurgle. By melding with a mechanical host, it causes a Chaos Knight's outer layers of adamantium and plasteel to transform into a bubbling semifluid capable of melting through the armour and flesh of any enemy foolish enough to strike it.Bound Varadian Psychogeist - Many Chaos Knights have quested upon the Daemon World of Fell Varad. Once home to a mighty Noble household, Fell Varad is now a hellscape in which the remnant gheists of shattered Thrones Mechanicum roam unbound across the wastes, wailing in a state of utter insanity. A questing Fallen Noble of strong enough will can bind a Varadian Psychogheist to their own Throne. The reward for most who do so is to have their soul immediately devoured, yet those who can tame the warped entity learn much from its demented tutelage about how to defeat other Knights.The Traitor's Mark - The fell deeds and bloodstained heraldry of this Chaos Knight are recounted across the galaxy, and all know that to confront it is to face a painful death. Each icon is redolent of the betrayals and treacherous deeds committed by the bearer, and in the minds of those who look upon them appear visions so gruesome in nature that the beholder is gripped by unnatural dread, badly weakening the morale of the enemy.The Quicksilver Throne of Slaanesh - The Quicksilver Throne is inhabited not by the remnant personalities of slain pilots, but by the most rapacious daemon servants of Slaanesh, the Dark Prince of Chaos. They impart a portion of their daemonic grace to the Fallen Noble, allowing the Chaos Knight being piloted to move and strike with terrifying speed.The Gauntlet of Ascension - This taloned Thunderstrike Gauntlet has been wielded by many ambitious Knights, and it has filled each of its bearers with an insatiable battle-lust and the desire to seek out worthy foes upon the battlefield. As the crushed carcasses of formidable opponents are bled out within its iron-tight grasp, a flood of daemonic energy washes over the Chaos Knight, increasing its resiliency and combat prowess.Twisted Mask - This Knightly faceplate is inlaid with a psychoamplifying matrix, made from crystals mined upon the liminal world of Terminos and designed to act as a lodestone for Warp energies. Runes of channelling are worked into the mask's reverse facing, bound to neuroempyric shunts by macabre tethers of braided theldrite and witches' finger bones. Through these, the power of the Immaterium surges into the pilot's mind and enhances their dark psychic powers. It is only usable by Fallen Nobles who have been gifted with psychic abilities.Panopoly of the Cursed Knights - Borne within an unmarked casket by an order of silent Idolators, this collection of tattered pennants, chain-strung charms and armour scraps represent the last remains of the Knight suit of Carnivus Grymm. It is said that festooning one's Knight suit with these charms instils the legendary fortitude of that doomed war engine. Yet it is whispered that doing so also invites the attentions of the same dread curse that eventually lead to Carnivus Grymm's ghastly end.Soul-raptor Swarm - This Knight is ridden by a flock of predatory avian Daemons, their wicked talons anchoring them to fuel pipes and spiked trim. The presence of such soul-raptors is a mark of the pilot's favour in the eyes of the Dark Gods. It is also a source of terror amongst the foe, whose slightest show of fear is enough to invite attack by the awful creatures. The Soul-raptors tear apart their victims' animus and, as they feed, so their link to the chosen Knight sees their victims' life force channelled to regenerate battle damage or heal its wounded pilot.Helm of Dogs - It is rumoured that an infamous former Apothecary (Fabius Bile) of the Emperor's Children Legion aided in the crafting of this nightmarish Helm Mechanicum. Employed as an implement of punishment, the helm tears into its agonised wearer's psyche like a wild animal. After solar days of suffering, they are reduced to little more than a feral beast -- obedient only to their master and dominant over lesser War Dogs, but a snarling shadow of their former self. This relic can only be used by the pilots of a War Dog-class Chaos Knight.