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Key Warhammer 40K Historical Events

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43 views8 pages

Key Warhammer 40K Historical Events

Uploaded by

Franz
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
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Notable Events

Horus Heresy (ca. 005-014.M31) - The Imperium is torn apart by the Horus
Heresy, the great interstellar civil war fought between the Loyalist and Traitor
Space Marine Legions. The rebel Warmaster Horus, despite pledging himself and his
followers to the service of Chaos is defeated in single combat aboard his flagship
Vengeful Spirit by the Emperor of Mankind at the conclusion of the Siege of Terra.
Though Horus is slain, the Emperor is mortally wounded and must be placed within
the arcane mechanisms of the device known as the Golden Throne. No longer able to
interact directly on a day-to-day basis with Mankind, the Imperium is reorganised
and reformed under the direction of the Primarch Roboute Guilliman as the Lord
Commander of the Imperium and the other great lords of the Senatorum Imperialis.

Great Scouring (ca. 014-021.M31) - The Loyalist Space Marine Legions, in the
course of their separation and the Imperial Army succeed in driving the Traitor
Legions from their remaining holdings in the galaxy, and force them to flee into
the eternal Warp rift known as the Eye of Terror in the Segmentum Obscurus. The
remaining nine Loyalist Space Marine Legions are subjected to the Second Founding
and the organisational dictates of the Codex Astartes, resulting in the creation of
approximately 1,000 individual Space Marine Chapters. The Imperial Army is divided
into the separate services of the Astra Militarum (Imperial Guard) and the Imperial
Navy. The newborn Astra Militarum replaces the Legiones Astartes as the primary
front-line ground forces of the Imperium, with the Adeptus Astartes reserved for
more specialist roles such as planetstrikes and special operations.

Second Founding (021.M31) - Roboute Guilliman summons his brother primarchs to


Terra. There he presents his Codex Astartes, and counsels that the Legions must be
broken down into Chapters. Dorn, Vulkan and Leman Russ vehemently oppose this
motion, while Corax and the Khan side with Guilliman. With tensions rising, it
appears as though the Imperium has survived one civil war only to be plunged into
another, However, at the eleventh hour Rogal Dorn relents, recognising that his
actions are motivated by pride and anger instead of reason. With disaster averted,
the Second Founding takes place, and dozens of new Space Marine Chapters are born.

The Ravens' Fate (Unknown Date.M32) - A sudden degeneration afflicts the gene-
seed of the Raven Guard, causing organs to fail and implants to be rejected. From
this time onward, the Raven Guard are forced to rely on gene-seed stocks from
Terra, a factor that slows the Chapter's recruitment rates significantly but does
not curtail their willingness for battle.

War of the Beast (544-546.M32) - The greatest Ork invasion the Imperium has
ever known to this time threatens to bring Humanity to its knees. It is the
combined forces of the Adeptus Astartes who stem the green tide, at great cost.

Reunited (646.M32) - A one-hundred-standard-year period of anarchy is ended by


the intervention of the Space Marines. Agnathio, Chapter Master of the
Ultramarines, unites over fifty Chapters of Space Marines and arrives upon Terra.
Agnathio holds a locked council with the squabbling noble "rulers" of Terra. What
is said has never come to light, but when the Space Marine fleets return to their
homeworlds, there once again sit twelve High Lords of Terra, and unity is restored
to the Imperium.

Apocrypha of Davio (Unknown Date.M33) - A great and holy document attempts to


list all of the Chapters of the Second Founding. It is a worthy work, but remains
incomplete.

The Howling (401.M34) - The Black Templars Chapter end the Catelexis Heresy by
executing the Cacodominus, an alien cyborg whose formidable psychic presence
allowed it to control the populance of thirteen hundred planetary systems. Alas,
the Cacodominus' death scream echoes and amplifies through the Warp, burning out
the minds of a billion astropaths and distorting the signal of the Astronomican.
Millions upon millions of Imperial voidships are lost in the resulting upheaval and
entire sub-sectors slide into barbarism without the dictats of the Adeptus Terra to
guide them.

Moirae Schism (Unknown Date.M35) - The Adeptus Mechanicus is torn apart by


conflict and internal division during the time of internal religious strife known
as the Moirae Schism. The Adeptus Astartes are not immune to such conflicts; the
Iron Hands, due to their close connection to the Mechanicus, are most severely
affected. The result of the religious discord is the unexpected birth of the Sons
of Medusa Chapter.

Cursed 21st Founding (991.M35) - In an attempt to "improve" the creation of


Space Marines the Adeptus Mechanicus tinkers with the genetic structure of the
gene-seed used in the Cursed 21st Founding. The resulting Chapters of the Adeptus
Astartes suffer myriad anomalies and many become corrupted by Chaos or suffer from
rampant mutation and other disorders.

Armoured Assault (282.M36) - The massed armoured spearheads of the Aurora


Chapter break the Ork invasion of the world of Grylos.

The Abyssal Crusade (321.M37) - Saint Basillius the Elder finds thirty Space
Marine Chapters wanting in faith. The guilty must choose either death or to embark
upon a redemptive Crusade into the Eye of Terror. All of the Chapters choose the
latter mission, known as the Abyssal Crusade, and enter the Eye as an armada with
their livery obscured and honour in doubt. Few return, only to discover that
Basillius was actually a pawn of Chaos seeking to weaken the defences of the
Imperium.

Fateweaver Denied (798.M37) - The White Consuls prevail against the daemonic
legions of Kairos Fateweaver.

Heavenfall Massacres (956.M37)

Firestorm (Unknown Date.M38) - A Daemonic incursion overruns Innocence III.


Dropping from orbit, the Salamanders' 6th Company endure terrible casualties in
order to defend the planet's three remaining shrine cities and their civilian
populace. With the cities safe, the vengeful Salamanders purge the Daemons from
Innocence III with fire and blade.

Judgement of Basillius (112.M38) - The Vorpal Swords return from the Eye of
Terror, leading the survivors of the Abyssal Crusade, to cast down the Chaos-
tainted Saint Basillius.

Siege of Haddrake Tor (ca. M40) - The Imperial Fists besiege a Chaos stronghold
on Haddrake Tor. After 1st Company Captain Kleitus is killed in a teleportation
mishap, Sergeant Darnath Lysander takes up the fallen hero’s weapon, the Fist of
Dorn, and swears vengeance. He smashes down the gates to the heretic fortress and
leads his beleaguered brothers to victory against the odds, and is named 1st
Company Captain just days later.

Battle for Columnus (Unknown Date.M40) - The Forge World of Columnus is set
upon by a vast Ork WAAAGH!. Aiding the Technomagi in its defence are elements of
the Iron Hands and Raven Guard. The battle for Columnus is horrifically costly,
largely thanks to the callous defensive strategies of the Iron Hands. Though
victory is secured, rumours persist about the fate of the Raven Guard, supposedly
wiped out while serving as unwitting bait in an Iron Hands trap.
Gothic War Begins (139.M41) - The 12th Black Crusade of Abaddon the Despoiler,
also known as the Gothic War, begins in the Segmentum Obscurus' Gothic Sector.
Before it is ended, it will draw in many Chapters of the Adeptus Astartes.

Jorun Retaliation (143.M41) - The Drukhari Kabal of the Crimson Libation incite
the wrath of the Ultramarines, Howling Griffons and Sons of Orar. The Dark Eldar
are defeated, but not before the Howling Griffons' Chaplain, Armand Titus, succumbs
to xenos poison and is interred within a Dreadnought.

Macharian Crusade (392-399.M41) - The Macharian Crusade was a monumental,


seven-year-long Imperial Crusade fought between 392.M41 and 399.M41, led by Lord
Commander Solar Macharius, the Imperium's greatest Astra Militarum commander of all
time and a recognised tactical and strategic genius on a par with the primarchs
themselves. This Crusade took place on the far western edge of the galaxy within
the Segmentum Pacificus, reaching as far as the border of the galaxy with
intergalactic space and even reaching into the unknown regions of the Halo Zone.
The furthest extent of this Crusade reached just beyond the edge of the Segmentum
Pacificus, where not even the blessed light of the Astronomican could penetrate the
dark void. Most Imperial savants agree that Macharius was the most successful and
brilliant Imperial Warmaster since the Arch-Traitor Horus. Nearly a thousand worlds
were brought back into the Imperial fold in only seven standard years of fighting.

Macharian Heresy (399-469.M41) - After Lord Solar Macharius' death, the


territories that he conquered fall to war and strife. Seventy standard years of
turmoil ensues and is ended only through the combined efforts of a hundred Space
Marine Chapters, working across many far-flung sectors to restore order to the
region in what is known as the Macharian Heresy.

Gaudinian Snare (460.M41) - On Gaudinia Prime, a Slaaneshi Daemonic entity,


known as the Sapphire King, and his minions attempt to turn the Iron Hands to Chaos
by unleashing a mutagenic spell into the Space Marine ranks. Fuelled by the Iron
Hands' own repressed rage, the spell wreaks absolute havoc, escalating quickly
towards disaster. It is only stopped when Kardan Stronos orders his brothers to
disengage inhibitor protocols and free their anger upon the foe. Rallying, the
surviving Iron Hands purge their enemies with uncharacteristic zeal.

Corinth Crusade (698.M41) - Marneus Calgar leads the Ultramarines, Angels of


Absolution, Lamenters, Silver Skulls, Scythes of the Emperor, Marines Errant and
fifty Imperial Guard regiments against WAAAGH! Skargor in the Corinth Crusade. The
Orks are crushed, and their threat diminished for over thirty standard years.

Damocles Gulf Crusade (742.M41) - In an Imperial Crusade to drive Tau invaders


from Imperial worlds in the Damocles Gulf region of the Segmentum Ultima, the
Novamarines are noted for their relentless persecution of all xenos life forms.
Only their recall to serve in the First Tyrannic War prevents them from being
present at the Imperial assault on the Tau Sept world of Dal'yth. This campaign is
known as the Damocles Gulf Crusade.

A Wedge Between Allies (744.M41) - After joining forces to defeat the Alpha
Legion responsible for the Redemption Rebellion, the Knights of the Raven and the
Aurora Chapter swear a bitter feud against each other, each blaming the other for
their grievous losses.

First Tyrannic War (745.M41) - The Ultramarines and forces of the Imperial Navy
successfully end the First Tyrannic War against Hive Fleet Behemoth at the Battle
of Macragge, though the effort costs the lives of the entire Ultramarines 1st
Company.

Blood Star Campaign (748.M41) - A massive daemonic incursion into the Scarus
Sector is heralded by the star Ares turning an ominous blood red. The Relictors,
Rainbow Warriors and Fire Lords eventually halt the invasion but take grievous
casualties, including the loss of all three Chapter Masters. The Imperium grieves
for three of its mightiest heroes.

Siege of Vraks (813.M41) - The Red Scorpions and Red Hunters fight to retake
the Armoury World of Vraks Prime during the terrible campaign of attrition known as
the Siege of Vraks. The seventeen-year-long conflict is deemed a success as the
Daemons and Chaos Space Marines are repulsed. However, Vraks is reduced to the
state of a Dead World as the entire civilian population is wiped out in the
fighting.

Lithon Purge (833.M41) - Over a hundred billion Imperial citizens are slain or
captured by Dark Eldar in the Lithon System. The Revilers spend many solar months
purging the xenos from the system and swear vengeance on those that escape into the
Webway.

Doom of Idharae (852.M41) - The Invaders Chapter launch a direct assault on the
Eldar Craftworld Idharae. Though the Space Marines suffer horrific casualties, they
leave the Craftworld a ruined and desolate hulk, devoid of all life.

Lazar Blockade (857.M41) - The Silver Skulls' fleet blockades the Lazar System.
Offering no explanation for their presence, they prosecute a secret mission to
purge Necrons from the system. They obliterate the main Necron Tomb World, but
secondary bases throughout the system suddenly come to life. The Silver Skulls
suffer greatly, and their forces scatter into disarray. They are eventually forced
to withdraw from Lazar, but to this day no outsider has ever learned the truth of
what happened there.

Hellabore Assault (867.M41) - Captain Alessio Cortez and the Crimson Fists 4th
Company battle the Eldar of Craftworld Iyanden on the world of Hellabore. Despite
suffering grievous wounds, including a stab wound to one of his hearts, Cortez
leads the final assault that routs the Eldar from Hellabore.

Badab War Begins (901.M41) - Lugft Huron, Chapter Master of the Astral Claws,
refuses to hand over his gene-seed tithe to the Administratum and instead announces
his secession from the Imperium, declaring himself the ruling "Tyrant of Badab" in
the Badab Sector of the Maelstrom Zone. Over a standard decade of bitter inter-
system war follows, embroiling more than a dozen Space Marine Chapters before Badab
falls and the Astral Claws escape to the Warp rift known as the Maelstrom at the
conclusion of the internecine conflict named the Badab War.

Assault on the World Engine (925.M41) - The Necron World Engine is revealed as
the architect of the destruction seen in the Vidar Sector at this time. It is
destroyed on the edge of the Doranno System, thanks chiefly to the noble and
complete sacrifice of the Astral Knights Chapter.

Toran VI Massacres(934.M41) - The Crimson Fists defeat the Chaos Space Marine
warband of the Chaos Lord Sathash the Golden.

Revenge of the Asuryani (936.M41) - Craftworld Alaitoc launches a devastating


attack on the Invaders' Chapter Planet. Only three companies escape the disaster
and their fortress-monastery is lost. The Invaders are thereafter a fleet-based
Chapter.

Battle of the Black Star (939.M41) - In the sable light of the star Antilles,
the Dark Hunters strike at the Renegade Punishers' stronghold, claiming over half
the Traitor Marines' lives.
Timeaon Deliverance (940.M41) - The Iron Snakes are ambushed during the Timeaon
Planetstrike by Tau Battlesuits and saved from certain death only when the Legion
of the Damned appear and launch a devastating assault on the aliens' flanks.

Defence of Orask (940-997.M41) - The Red Talons successfully hold the Fortress
World of Orask at the edge of the Ghoul Stars from invasion by a splinter of Hive
Fleet Pythos. In recognition of their hardfought victory, the Senatorium Ultima of
Ultramar honour the Chapter with the gift of the famed relic known as the Bloody
Crown of Hycani.

Second War for Armageddon Begins (941.M41) - When the Ork Warlord Ghazghkull
Thraka unleashes a massive Ork WAAAGH! on the strategic Hive World of Armageddon in
the Segmentum Solar, many Space Marine Chapters participate in its defence during
what becomes known as the Second War for Armageddon.

The Folly of Heroes (955.M41) - Despite direct orders to the contrary, the
Brazen Claws launch a counterstrike into the Eye of Terror itself. Their last
transmissions indicate the Chapter engaging a fleet of Iron Warriors vessels, but
no other trace is heard of them.

The Soulmaw (956.M41) - With most of their Chapter lured away by a distress
call, the Silver Skulls barely manage to resist an attack on their homeworld of
Varsavia by the daemonic warband known as "the Soulmaw."

Bellicas Disaster (970.M41) - The Emperor's Swords Chapter is wiped out when a
Necron Tomb stirs to life in the caverns of their Chapter Planet, Bellicas.

Rynn's World Disaster (989.M41) - WAAAGH! Snagrod rampages across the Loki
Sector, culminating with a devastating assault on Rynn's World. The Crimson Fists
Chapter is left depleted and bloodied after an Imperial expedition, including many
Space Marine Chapters, retakes the planet from the Orks, but they are determined to
rebuild all that was lost.

Flaming Vengeance (990.M41) - The Fire Lords Chapter descends on Bellicas,


exterminating the Necron menace and setting the planet aflame to avenge the
destruction of the Emperor's Swords.

Second Tyrannic War (992-993.M41) - The Lamenters and Scythes of the Emperor
Chapters are virtually destroyed fighting against the menace of Hive Fleet Kraken.

Broken But Unbowed (994.M41) - Once thought destroyed in the Eye of Terror, the
Brazen Claws resurface near Cadia, battered, but still fighting their long war
against the forces of Chaos.

The Hive Mind Hungers (995.M41) - The tendrils of the Tyranid Hive Fleet
Jormungandr begin to brush against the northeastern boundaries of the Imperium. The
Death Spectres and Honoured Sons led the counterattack.

The Leviathan Blunted (509.997.M41) - Elements of the Ultramarines and


Mortifactors Chapters stand victoriously against a spur of Hive Fleet Leviathan on
Tarsis Ultra during the Third Tyrannic War.

Lament of Angels (997.M41) - The Angels Revenant Chapter is destroyed while


defending its fortress-monastery on the world of Liberthra against the onslaught of
the Necron Maynarkh Dynasty. The Bells of Lamentation sound throughout Segmentum
Tempestus at their passing.

WAAAGH! Irontoof (550.998.M41) - The Genesis Chapter, alongside its


Primogenitors the Ultramarines, combat and defeat the growing might of the Ork
WAAAGH! Irontoof.

Third War for Armageddon (757.998.M41) - The Ork Warlord Ghazghkull Thraka
returns to Armageddon at the head of a new, even greater, WAAAGH! More than twenty
Space Marine Chapters, including the White Scars, Salamanders, Doom Eagles, Storm
Lords and Exorcists, commit forces to the beleaguered war zone. The Ork WAAAGH! is
eventually broken on Armageddon during the terrible campaign remembered as the
Third War for Armageddon and Ghazghkull flees into the void, pursued by the Black
Templars and Commissar Yarrick who have sworn to end the wily Ork Warlord's threat
to the Imperium once and for all.

War in the Gildar Rift (998.M41) - The Silver Skulls destroy a Red Corsair
strike force. The surviving Renegades make planetfall on several worlds in the
Gildar System, but the Silver Skulls will not be thwarted and the taint of the
Renegades is cleansed in a matter of weeks.

The Black Sun (672.999.M41) - The Exorcists Chapter rushes to confront the
Daemonic incursions around the sun Sirie.

Rebirth of the Scythes of the Emperor (970.999.M41) - The Scythes of the


Emperor finally emerge from the dark shadow of Hive Fleet Kraken and announce that
their Chapter will be born anew.

The Maelstrom Threat (980.999.M41) - A vast Chaos Space Marine fleet under the
command of Huron Blackheart emerges from the Maelstrom and besieges the Chogoris,
Kaelas and Sessec Systems. Rumours report Huron's force is as large as the Space
Marine Legions of old, and several Chapters are tasked with its destruction.

13th Black Crusade (995.999.M41) - Many Space Marine Chapters converge on the
sectors surrounding the Eye of Terror in a desperate attempt to counter the influx
of vile forces led by Abaddon the Despoiler in the course of his 13th Black
Crusade, the largest and most potent Chaos incursion into Imperial space since the
Horus Heresy. Some say it is truly the Time of Ending, yet the Adeptus Astartes
stand strong in the face of their greatest enemy. Yet, despite the best efforts of
the Imperium's staunchest defenders -- including the Black Templars, Imperial
Fists, Dark Angels and Space Wolves -- the Fortress World of Cadia, lynchpin of the
defences surrounding the Cadian Gate, eventually falls.

Guilliman Awakes (ca. 999.M41) - Strange events, the appearance of the ancient
Archmagos Dominus Belisarius Cawl and a cryptic alliance with a mysterious Aeldari
faction known as the Ynnari conspire to awaken the Ultramarines Primarch Roboute
Guilliman from his millennia-long slumber in a stasis chamber during the Ultramar
Campaign. The primarch is immediately embroiled in battle with a Chaos assault by
the Black Legion as Abaddon attempts to prevent his return.

Great Rift Opens (ca. 999.M41) - Reality tears itself apart from the Hadex
Anomaly at the core of the Jericho Reach in the Eastern Fringe, to the furthest
star system of the Segmentum Obscurus. From that hole come Warp storms with an
intensity not seen since the Age of Strife, cutting off the galactic north from
Terra, cutting the Imperium into two halves, the Imperium Nihilus and the Imperium
Sanctus. The initial period, known as the Noctis Aeterna -- or the Blackness -- is
terrible indeed. For a time, all Warp travel is impossible and the far-spread
planets of the Imperium are isolated, with no travel or astropathic communication
between them as the Emperor's Astronomican no longer shines through the Immaterium.
Worlds in their hundreds fall before the ensuing Chaos onslaught. The pulsing
Cicatrix Maledictum spreads like an impenetrable curtain, robbing entire systems of
the holy light of Terra.

Battle of Baal (ca. 999.M41) - The Battle of Baal, also called the Devastation
of Baal, was the assault by the single largest concentration of the Tyranid Hive
Fleet Leviathan ever encountered by Humanity upon Baal, the homeworld of the Blood
Angels Chapter of Space Marines. The battle, fought in ca. 999.M41, was a part of
the wider Third Tyrannic War and also marked a key battle of the Indomitus Crusade
led by the resurrected Primarch Roboute Guilliman. Due to the temporal distortions
unleashed at the time of the eruption of the Great Rift, the exact date of the
battle is in question; the combat may have lasted for many standard years from the
point of view of Terra but only solar weeks passed for the participants. Despite
heavy losses, the Blood Angels and their Successor Chapter allies, known as the
Sanguinary Brotherhood, ultimately emerged triumphant, not only because of the
timely intervention of the forces of Guilliman's Indomitus Crusade but also because
at the moment of the Great Rift's birth the Blood Angels' ancient enemy, the
Bloodthirster Ka'Bandha, led a massive legion of Khornate Daemons against the Great
Devourer on Baal Prime. While the Blood Angels, their allies and the Primaris Space
Marines of the Indomitus Crusade cleansed Baal proper of the Tyranid infestation,
the Daemons destroyed the largest concentration of the remaining xenos lifeforms in
orbit of Baal. The Daemons left behind only a mountain of Tyranid skulls shaped
like the eight-pillared symbol of Khorne that dominated Baal Prime's southern
hemisphere. The reasons for this intervention by one of Khorne's greatest servants
remains unknown and deeply unsettling to the Blood Angels, though it may be that
Ka'bandha has determined that he, and he alone, will ultimately be the architect of
the sons of Sanguinius' ruin. In the wake of the Devastation of Baal, Guilliman, in
his role as the lord commander of the Imperium and Imperial Regent, named Commander
Dante, the Chapter Master of the Blood Angels, as the lord regent of the Imperium
Nihilus, the portion of the Imperium in the galactic north cut off from Terra and
the light of the Astronomican by the Great Rift. After a period of intensive
reconstruction of Baal and recovery for the Chapter, the Blood Angels moved out
into the Dark Imperium, determined to bring the Emperor's light back to those
similarly oppressed by xenos and the servants of the Dark Gods.

Indomitus Crusade (ca. 999.M41 - Ongoing) - In a hundred war zones of the


Indomitus Crusade, untested strike forces of Primaris Space Marines are unleashed
into battle against the forces of the Ruinous Powers. They acquit themselves well,
and by the artifice of Belisarius Cawl and the strategic genius of Roboute
Guilliman they prove themselves worthy inheritors of the title Adeptus Astartes. At
the Battle of Raukos twelve standard years after its start, the Indomitus Crusade
reaches the end of its first phase, in which the Imperium Sanctus has been largely
stabilised from the assaults of the forces of Chaos. The Imperium Nihilus remains
largely cut off, still beyond the light of the Astronomican, though in the wake of
the Battle of Baal, Guilliman appoints Commander Dante of the Blood Angels Chapter
as the lord regent of the Imperium Nihilus, to lead its defence as he judges fit.

To Shield the Shrine Worlds (Unknown Date.M42) - The Shrine Worlds of the
Imperial Cult are targeted with especial malice by Daemons and the Traitor Legions,
most prominent amongst them the Word Bearers. In an attempt to break the sieges
that hold dozens of Shrine Worlds hostage across Segmentums Solar and Pacificus,
the Black Templars launch Imperial Crusade after Crusade. In their bloody
endeavours they are assisted by the Iron Hands and a score of other Space Marine
Chapters, along with all the forces the Adeptus Ministorum can muster.

Plague Wars (ca. 012.M41) - The Plague Wars were an attempt by the Daemonic and
Heretic Astartes forces of the Chaos God Nurgle, including the Daemon Primarch
Mortarion and his Death Guard Traitor Legion, to conquer the Realm of Ultramar and
add it to the Plague God's growing realm in realspace. By ca. 111.M42, over a
hundred standard years after the start of the Indomitus Crusade, the Imperial
defenders all across Ultramar were depleted in dozens of ground campaigns, while a
Plague Fleet systematically destroyed the realm's Ultramar Defence Fleet and star
fortresses. Guilliman returned from the Indomitus Crusade after over a standard
century of campaigning to stabilise the Imperium, and his deft and defensive
manoeuvres bought time to launch what became known as the "Spear of Espandor"
counterattack. The combined plague armies were eventually fought to a standstill
amongst the ruins of Iax, before Mortarion escaped with his forces back to their
base in the Scourge Stars under cover of a Virus Bomb attack, both because of his
brother's staunch defence and because Nurgle's realm in realspace had come under
assault by the forces of the Blood God Khorne. In a brief respite from the work of
safeguarding the Emperor's realm after Mortarion's defeat, Guilliman ordered the
rebuilding and decontamination of Ultramar, as well as the establishing of new
procedures for creating further Ultramarines. It was not long before new Imperial
Crusades called the Lord Commander of the Imperium away from Ultramar and back out
into the dark galaxy. The Ultramarines then began the work of preparing their
vengeance against the servants of the Dark Gods.

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