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Rules of Engagement (Short Story)

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Rules of Engagement
Rules-of-Engagement.jpg
Author Graham McNeill
Publisher Black Library
Series Horus Heresy Series
Collected in Age of Darkness


Cover Description[1]

Roboute Guilliman has put the finishing touches to his great work - the Codex Astartes. This tome will show his Ultramarines how to deal with any tactical situation, no matter the foe. But as the Horus Heresy reaches Ultramar, Captain Ventanus of the Troublesome Fourth must test the strictures of the Codex Astartes against the one foe that the primarch never expected: other Space Marines.

Synopsis

Some years after the outbreak of the Heresy, Remus Ventanus, Captain of the Ultramarines 4th Company and hero of the Battle of Calth, takes part in the defense of Talassar against the invading Death Guard, while his warriors struggle to adapt to the new battlefield rules handed down by Roboute Guilliman. The Death Guard are lured into over-extending their lines and defeated, but several other worlds of Ultramar are lost. During a World Eaters invasion of Prandium, Ventanus is given theatre command and issues orders according to Guilliman's new doctrine which appear to be leading the Ultramarines to defeat before suddenly turning into a highly orchestrated trap that wipes out the World Eaters. On Quintarn Ventanus leads his company against Salamanders who have seized the capital city and manages to kill their leader just before he escapes. Later, the Ultramarines prepare for a last stand on Macragge following a successful invasion of Ultramar and Ventanus goes down fighting the Sons of Horus. Horus is revealed to be Guilliman in costume, and the entire sequence of battles live simulations played out by the Ultramarines in order to test Guilliman's new battlefield doctrine, the Codex Astartes.

Setting

Ultramar; Macragge, Talassar, Prandium and Quintarn.

Characters

See also

Sources


Horus Heresy Series
Novels I Horus Rising • II False Gods • III Galaxy in Flames • IV The Flight of the Eisenstein • V Fulgrim • VI Descent of Angels • VII Legion • VIII Battle for the Abyss • IX Mechanicum • X Tales of Heresy • XI Fallen Angels • XII A Thousand Sons • XIII Nemesis • XIV The First Heretic • XV Prospero Burns • XVI Age of Darkness • XVII The Outcast Dead • XVIII Deliverance Lost • XIX Know No Fear • XX The Primarchs • XXI Fear to Tread • XXII Shadows of Treachery • XXIII Angel Exterminatus • XXIV Betrayer • XXV Mark of Calth • XXVI Vulkan Lives • XXVII The Unremembered Empire • XXVIII Scars • XXIX Vengeful Spirit • XXX The Damnation of Pythos • XXXI Legacies of Betrayal • XXXII Deathfire • XXXIII War Without End • XXXIV Pharos • XXXV Eye of Terra • XXXVI The Path of Heaven • XXXVII The Silent War • XXXVIII Angels of Caliban • XXXIX Praetorian of Dorn • XL Corax • XLI The Master of Mankind • XLII Garro • XLIII Shattered Legions • XLIV The Crimson King • XLV Tallarn • XLVI Ruinstorm • XLVII Old Earth • XLVIII The Burden of Loyalty • XLIX Wolfsbane • L Born of Flame • LI Slaves to Darkness • LII Heralds of the Siege • LIII Titandeath • LIV The Buried Dagger
Siege of Terra I The Solar War • II The Lost and the Damned • III The First Wall • Sons of the Selenar • IV Saturnine • Fury of Magnus • V Mortis • VI Warhawk • VII Echoes of Eternity • Garro: Knight of Grey • VIII The End and the Death (Volume I • Volume II • Volume III)
The Primarchs Roboute Guilliman: Lord of Ultramar • Leman Russ: The Great Wolf • Magnus the Red: Master of Prospero • Perturabo: The Hammer of Olympia • Lorgar: Bearer of the Word • Fulgrim: The Palatine Phoenix • Ferrus Manus: Gorgon of Medusa • Grandfather's Gift • Perturabo: Stone and Iron • Malcador: First Lord of the Imperium • Konrad Curze: A Lesson in Darkness • Jaghatai Khan: Warhawk of Chogoris • Vulkan: Lord of Drakes • Sons of the Emperor • Corax: Lord of Shadows • Angron: Slave of Nuceria • Scions of the Emperor • Konrad Curze: The Night Haunter • Ghost of Nuceria • The Passing of Angels • The Abyssal Edge • Mercy of the Dragon • Lion El'Jonson: Lord of the First • Illyrium • The Revelation of the Word • Morningstar • Will of the Legion • Embers of Extinction • Alpharius: Head of the Hydra • Blood of the Emperor • Loyal Sons • Mortarion: The Pale King • Rogal Dorn: The Emperor's Crusader • Sanguinius: The Great Angel • Heirs of The Emperor
Horus Heresy Characters Valdor: Birth of the Imperium • Luther: First of the Fallen • Sigismund: The Eternal Crusader • Eidolon: The Auric Hammer
Novellas Promethean Sun • Aurelian • Brotherhood of the Storm • The Reflection Crack'd • Feat of Iron • The Lion • The Serpent Beneath • Corax: Soulforge • Scorched Earth • Tallarn: Executioner • Prince of Crows • The Crimson Fist • The Purge • Ravenlord • The Seventh Serpent • Tallarn: Ironclad • Cybernetica • Wolf King • The Honoured • The Unburdened • Garro: Vow of Faith • Sons of the Forge • Dreadwing • Spear of Ultramar
Collections Angron • The Imperial Truth • Sedition's Gate • Echoes of Ruin • Death and Defiance • Blades of the Traitor • Meduson • Betrayal at Calth • Echoes of the Imperium • Virtues of the Sons/Sins of the Father • Echoes of Revelation • Lupercal's War • Cthonia's Reckoning
Short Stories The Lightning Tower • The Dark King • Army of One • Kryptos • Distant Echoes of Old Night • Lost Sons • Death of a Silversmith • The Divine Word • The Kaban Project • The Gates of Terra • Lord of the Red Sands • Serpent • Luna Mendax • Riven • Bjorn: Lone Wolf • The Wolf of Ash and Fire • Heart of the Conqueror • Child of Night • The Shadowmasters • The Devine Adoratrice • Daemonology • Sins of the Father • The Final Compliance of Sixty-Three Fourteen • Vorax • The Value of Fear • Brotherhood of the Moon • Virtues of the Sons • Imperfect • Howl of the Hearthworld • A Safe and Shadowed Place • Gunsight • Black Oculus • Wolf Mother • Twisted • Chirurgeon • Tallarn: Witness • Ironfire • Hands of the Emperor • By the Lion's Command • All That Remains • The Phoenician • Artefacts • Ghosts Speak Not • Patience • Inheritor • Tallarn: Siren • Blackshield • Myriad • Into Exile • The Grey Raven • The Painted Count • Exocytosis • The Last Son of Prospero • Ordo Sinister • The Ember Wolves • Restorer • The Laurel of Defiance • Immortal Duty • Duty Waits • Magisterium • Now Peals Midnight • Dreams of Unity • The Board is Set • The Atonement of Fire • A Lesson in Iron • Massacre • Two Metaphysical Blades • Prologue to Nikaea • Old Wounds, New Scars • Abyssal • The Last Council • A Rose Watered with Blood • Bringer of Sorrow • Lantern's Light • The Serpent's Dance • The Lightning Hall • Eater of Dreams • Bloodhowl • Amor Fati • The Fields of Abundance • The Shel'tain Affair • Primacy • The Nine • Visage • The Last Loyalist
Audio Dramas Raven's Flight • Garro: Oath of Moment • Garro: Legion of One • Butcher's Nails • Grey Angel • Burden of Duty • Garro: Sword of Truth • Warmaster • Strike and Fade • Veritas Ferrum • The Sigillite • Honour to the Dead • Wolf Hunt • Censure • Thief of Revelations • Khârn: The Eightfold Path • Lucius: The Eternal Blademaster • Cypher: Guardian of Order • Hunter's Moon • Wolf's Claw • Templar • Garro: Shield of Lies • Master of the First • The Long Night • Stratagem • Herald of Sanguinius • The Watcher • The Eagle's Talon • Iron Corpses • Garro: Ashes of Fealty • Raptor • Grey Talon • Red-Marked • The Either • The Heart of the Pharos • The Thirteenth Wolf • Children of Sicarus • Perpetual • The Soul, Severed • Valerius • The Binary Succession • Dark Compliance • Blackshields: The False War • Blackshields: The Red Fief • Hubris of Monarchia • Nightfane • Blackshields: The Broken Chain
Artbooks Visions of Heresy (2013) • Visions of Heresy (2018) • Art of the Horus Heresy
Script Books Horus Heresy: The Scripts: Volume I • Horus Heresy: The Scripts: Volume II
Graphic Novels Macragge's Honour

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