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Mechanicum (Novel)

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Targetdrone.gif This article is about the novel. For other uses of Mechanicum, see Mechanicum (disambiguation).


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Mechanicum
Mechanicum.jpg
Cover Illustration by Neil Roberts
Author Graham McNeill
Performer Toby Longworth
Publisher Black Library
Series Horus Heresy Series
Preceded by Battle for the Abyss
Followed by Tales of Heresy
Released December 2008
Pages 416
Editions 2008 softcover:
ISBN 9781844166640

2010 ebook:
ISBN 9780857870377


Mechanicum by Graham McNeill, published in December 2008, is the ninth book in the Horus Heresy Series. It was later included in "The Novels: Volume 2" eBook collection. The novel concentrates on the civil war within the Adeptus Mechanicus on Mars during the Horus Heresy, leading up to the beginnings of the Dark Mechanicum.


Cover Description

As the flames of treachery spread throughout the Imperium, Horus plots to subvert or destroy all those who would stand against him. On Mars, home world of the Mechanicum priesthood, the great manufactory-cities have long produced much of the weaponry required for the expeditionary fleets across the galaxy — making the world invaluable to whoever controls it in the coming war. Now, the Warmaster's agents begin to stoke the fires of rebellion, turning the loyalist forges and the mighty Titan Legions against one another. And, with whispers spreading of an ancient terror lurking beneath the Red Planet's surface, the Dark Mechanicum rises...[1]

Plot Summary

Spoiler!
The following paragraphs contain spoilers for: Mechanicum (Novel)

Mars, c. 739.M30. Three Knights of Taranis investigate the landing of the first ship to arrive from Terra in centuries, and Taymon Verticorda is the first to kneel in front of the Emperor as Omnissiah.[2c]

Part One: PRINCIPIA MECHANICUM

005.M31. Terran Transcriber Dalia Cythera stands accused of tech-heresy, but instead of being executed is brought to Koriel Zeth's Magma City on Mars. Raf Maven and two of his fellow Knights of Taranis are defending Ipluvien Maximal's reactors against feral servitors when he picks up suspicious auspex readings from the reactor complex.[2d] Cythera meets Zeth, who sought her out for her innate understanding of technology and wishes her to assist in the construction of the Akashic Reader. Maven faces Protector squads and a machine of unknown design, which destroys one of Maximal's reactors.[2e]

At the fortress of the Legio Tempestus, divided theologies and loyalties clash in a meeting convened to discuss the attack on Maximal's facilities. Brought into a team of technical servants, Cythera is tested as Zeth tells them to build a cognitive enhancer whose schematics have confounded adepts for centuries.[2f] Fabricator General Kelbor-Hal meets with Regulus, Mechanicum representative to the 63rd Expedition Fleet, who asks for Mars' loyalty to Horus Lupercal in exchange for access to the Vaults of Moravec. The cognitive enhancer is completed, thanks to improvements on the original design, and Zeth proclaims it will help usher in a new age of knowledge for humankind.[2g]

Fabricator Locum Zagreus Kane notices that logistical issues disproportionately affect Legiones Astartes not directly supporting the Warmaster, and informs Kelbor-Hal. Cythera and her friends are led deep under the Magma City, and find out that the Akashic Reader requires thousands of psykers to function.[2h] Indeed, the device will enable the empath Jonas Milus to access the aether and the sum total of all knowledge in the universe. Impatiently observing repairs on his mount, Maven swears to kill the machine that evaded him. Beneath Olympus Mons, Regulus leads Kelbor-Hal to the Vaults of Moravec, opening the gates with scrapcode that infects the Fabricator General.[2i]

The cognitive enhancer is installed while Cythera's concern grows regarding the Reader’s effect on its human components. As scrapcode interferes with communication all over the planet, Princeps Indias Cavalerio cuts short his maniple's patrol around Maximal's reactors upon learning that Legio Mortis is marching towards the fortress of Tempestus.[2j] The Reader's first test turns to disaster as psychic energy overwhelms the chamber, and Cythera takes in Milus's last words and vision. Mortis engines cross the Tempest Line, an action akin to a declaration of war.[2k]

Part Two: SYSTEMAE MECHANICUM

Cavalerio calls Mortis's bluff and refuses to open fire. The intruding Titans walk away, but the strain of the march overloaded Cavalerio’s Imperator, killing the engine. In the pallidus, a scavenger named Quinux stumbles on the Kaban Machine, Maven's nemesis, and is killed by it at the behest of Lukas Chrom. At Olympus Mons, Kelbor-Hal and Regulus look upon the mustering of warp-infused servitors and Skitarii, acknowledging Zeth to be a threat because of her Noosphere and the Reader incident.[2l]

As the scrapcode wreaks havoc all around the planet in the Death of Innocence, Cythera awakes from a week-long coma. Hiding Milus's message from Zeth, she confides in her teammates: she experienced a vision related to a dragon in a benighted maze, and they surmise this refers to the Noctis Labyrinthus. Cavalerio wakes up in an amniotic fluid tank, and his new famulous Agathe starts guiding him towards adjustment and acceptance.[2m] Word of the death of Isstvan III reaches Mars, and Kane suspects Kelbor-Hal of having released the scrapcode. Patrolling around the Magma City, Maven and Cronus go off-mission to hunt down the Kaban Machine. Plagued by dreams of a dragon and a hooded man, Cythera decides to leave and seek them out.[2n]

Cavalerio is deemed too hot-headed at the moment to resume command of Tempestus, leaving Sharaq to act as Princeps Senioris. Awaiting a mag-lev train, Cythera and her friends – minus Mellicin Oster – are approached by Rho-Mu 31, who accompanies them as he has been ordered to protect Cythera by Zeth. The latter learns of their intentions from Oster and has her wipe her own memory of that knowledge.[2o] Ambassador Melgator, accompanied by Tech-Priest Assassin Remiare, comes to the Magma City to assess the loyalty of Zeth, who openly denounces Kelbor-Hal as a traitor and her unbelief in the Machine God. Remiare tracks Oster down and tortures her for Cythera’s whereabouts.[2p]

Sharaq keeps Cavalerio appraised of the situation, as Cythera and friends see concerning traces of the planet's unrest. Melgator leads a force to take the Magma City, but backs down when faced with Knights of Taranis.[2q] The mag-lev train is attacked by the Kaban Machine, which Cythera manages to fool into thinking she and her friends are dead. The Legio Tempestus musters for war and Kelbor-Hal unleashes the Dark Mechanicum forces on the few forges still capable of resisting.[2r]

Part Three: ORIGENS MECHANICUS

As the Martian Civil War erupts, Cythera’s team reaches the Noctis Labyrinthus and the entrance to the dragon’s lair. Maven and Cronus find the wreckage of the train and keep after the Kaban Machine. On Terra, Malcador the Sigillite charges Rogal Dorn to secure Mars and kill Horus on Isstvan V.[2s] War comes to the Magma City, and Legio Tempestus ambushes the engines of Mortis in the forge's ruined outskirts. The loyal adepts are informed of the Imperial Fists' plan: to secure the main facilities of Astartes weapon production, then provide relief to the besieged Zeth and Maximal. Cythera and her friends navigate the cave complex in the labyrinth, stumbling upon Semyon, Guardian of the Dragon.[2t]

He leads them to a place of eldritch geometries and imparts upon Cythera the knowledge of his duty. Kane's forge is secured, but the other Imperial advances falter against the forces of the Dark Mechanicum. Cythera is shown the confrontation between the Dragon and the Emperor, the latter imprisoning the former as destruction is beyond his power. She also learns that the Emperor orchestrated the creation of the Mechanicum and its belief in the Omnissiah. Semyon makes her the new Guardian and turns to dust.[2u] With enemy forces within range, Sigismund forcibly evacuates Kane with whatever materiel can be recovered, leaving Zeth and Maximal to their fates. Cythera and Rho-Mu 31 walk their two remaining companions out of the cave complex, but they are met by the Kaban Machine. They are saved by Maven and Cronus, who destroy the machine.[2v]

The Legio Tempestus and the Knights of Taranis sell their lives dearly in the last stand for the Magma City, dispatching most Mortis engines and killing Melgator. After Maximal detonates his reactor chain, Zeth goes to destroy her own forge but is shot down by Remiare.[2w] The last Tempestus engines fall and self-destruct as Zeth reveals she has infected the assassin with a trip-code, incapacitating her. The adept shuts down the city's structural safeties, releasing an ocean of magma that obliterates the remaining combatants, including the Mortis Imperator Aquila Ignis.[2x]

Cythera starts her duties as Guardian of the Dragon, but the book containing the truth of the Mechanicum’s origins has been taken.[2y]

Dramatis Personae

Martian Mechanicum

Imperial Fists

Collegia Titanica

Knight Houses

Images

Cover art[2a]

See also

Sources


Horus Heresy Series
Novels I Horus RisingII False GodsIII Galaxy in FlamesIV The Flight of the EisensteinV FulgrimVI Descent of AngelsVII LegionVIII Battle for the AbyssIX MechanicumX Tales of HeresyXI Fallen AngelsXII A Thousand SonsXIII NemesisXIV The First HereticXV Prospero BurnsXVI Age of DarknessXVII The Outcast DeadXVIII Deliverance LostXIX Know No FearXX The PrimarchsXXI Fear to TreadXXII Shadows of TreacheryXXIII Angel ExterminatusXXIV BetrayerXXV Mark of CalthXXVI Vulkan LivesXXVII The Unremembered EmpireXXVIII ScarsXXIX Vengeful SpiritXXX The Damnation of PythosXXXI Legacies of BetrayalXXXII DeathfireXXXIII War Without EndXXXIV PharosXXXV Eye of TerraXXXVI The Path of HeavenXXXVII The Silent WarXXXVIII Angels of CalibanXXXIX Praetorian of DornXL CoraxXLI The Master of MankindXLII GarroXLIII Shattered LegionsXLIV The Crimson KingXLV TallarnXLVI RuinstormXLVII Old EarthXLVIII The Burden of LoyaltyXLIX WolfsbaneL Born of FlameLI Slaves to DarknessLII Heralds of the SiegeLIII TitandeathLIV The Buried Dagger
Siege of Terra I The Solar WarII The Lost and the DamnedIII The First WallSons of the SelenarIV SaturnineFury of MagnusV MortisVI WarhawkVII Echoes of EternityGarro: Knight of GreyVIII The End and the Death (Volume IVolume IIVolume III)Era of Ruin
The Primarchs Roboute Guilliman: Lord of UltramarLeman Russ: The Great WolfMagnus the Red: Master of ProsperoPerturabo: The Hammer of OlympiaLorgar: Bearer of the WordFulgrim: The Palatine PhoenixFerrus Manus: Gorgon of MedusaGrandfather's GiftPerturabo: Stone and IronMalcador: First Lord of the ImperiumKonrad Curze: A Lesson in DarknessJaghatai Khan: Warhawk of ChogorisVulkan: Lord of DrakesSons of the EmperorCorax: Lord of ShadowsAngron: Slave of NuceriaScions of the Emperor Konrad Curze: The Night HaunterGhost of NuceriaThe Passing of AngelsThe Abyssal EdgeMercy of the DragonLion El'Jonson: Lord of the FirstIllyriumThe Revelation of the WordMorningstarWill of the LegionEmbers of ExtinctionAlpharius: Head of the HydraBlood of the EmperorLoyal SonsMortarion: The Pale KingRogal Dorn: The Emperor's CrusaderSanguinius: The Great AngelHeirs of The Emperor
Horus Heresy Characters Valdor: Birth of the ImperiumLuther: First of the FallenSigismund: The Eternal CrusaderEidolon: The Auric Hammer
Novellas Promethean SunAurelianBrotherhood of the StormThe Reflection Crack'dFeat of IronThe LionThe Serpent BeneathCorax: SoulforgeScorched EarthTallarn: ExecutionerPrince of CrowsThe Crimson FistThe PurgeRavenlordThe Seventh SerpentTallarn: IroncladCyberneticaWolf KingThe HonouredThe UnburdenedGarro: Vow of FaithSons of the ForgeDreadwingSpear of Ultramar
Collections AngronThe Imperial TruthSedition's GateEchoes of RuinDeath and DefianceBlades of the TraitorMedusonBetrayal at CalthEchoes of the ImperiumVirtues of the Sons/Sins of the FatherEchoes of RevelationLupercal's WarCthonia's Reckoning
Short Stories The Lightning TowerThe Dark KingArmy of OneKryptosDistant Echoes of Old NightLost SonsDeath of a SilversmithThe Divine WordThe Kaban ProjectThe Gates of TerraLord of the Red SandsSerpentLuna MendaxRivenBjorn: Lone WolfThe Wolf of Ash and FireHeart of the ConquerorChild of NightThe ShadowmastersThe Devine AdoratriceDaemonologySins of the FatherThe Final Compliance of Sixty-Three FourteenVoraxThe Value of FearBrotherhood of the MoonVirtues of the SonsImperfectHowl of the HearthworldA Safe and Shadowed PlaceGunsightBlack OculusWolf MotherTwistedChirurgeonTallarn: WitnessIronfireHands of the EmperorBy the Lion's CommandAll That RemainsThe PhoenicianArtefactsGhosts Speak NotPatienceInheritorTallarn: SirenBlackshieldMyriadInto ExileThe Grey RavenThe Painted CountExocytosisThe Last Son of ProsperoOrdo SinisterThe Ember WolvesRestorerThe Laurel of DefianceImmortal DutyDuty WaitsMagisteriumNow Peals MidnightDreams of UnityThe Board is SetThe Atonement of FireA Lesson in IronMassacreTwo Metaphysical BladesPrologue to NikaeaOld Wounds, New ScarsAbyssalThe Last CouncilA Rose Watered with BloodBringer of SorrowLantern's LightThe Serpent's DanceThe Lightning HallEater of DreamsBloodhowlAmor FatiThe Fields of AbundanceThe Shel'tain AffairPrimacyThe NineVisageThe Last LoyalistAnathema
Audio Dramas Raven's FlightGarro: Oath of MomentGarro: Legion of OneButcher's NailsGrey AngelBurden of DutyGarro: Sword of TruthWarmasterStrike and FadeVeritas FerrumThe SigilliteHonour to the DeadWolf HuntCensureThief of RevelationsKhârn: The Eightfold PathLucius: The Eternal BlademasterCypher: Guardian of OrderHunter's MoonWolf's ClawTemplarGarro: Shield of LiesMaster of the FirstThe Long NightStratagemHerald of SanguiniusThe WatcherThe Eagle's TalonIron CorpsesGarro: Ashes of FealtyRaptorGrey TalonRed-MarkedThe EitherThe Heart of the PharosThe Thirteenth WolfChildren of SicarusPerpetualThe Soul, SeveredValeriusThe Binary SuccessionDark ComplianceBlackshields: The False WarBlackshields: The Red FiefHubris of MonarchiaNightfaneBlackshields: The Broken Chain
Artbooks Collected Visions (2007)Visions of Heresy (2013)Visions of Heresy (2014)Visions of Heresy (2018)Art of the Horus Heresy
Script Books Horus Heresy: The Scripts: Volume IHorus Heresy: The Scripts: Volume II
Graphic Novels Macragge's Honour