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Breaking of the Perfect Fortress

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Breaking of the Perfect Fortress
Conflict Horus Heresy
Date 008.M31
Location Perfect Fortress, Narsis
Outcome Imperial Victory
Combatants
Aquila1transparent.png Imperium Chaos.png Traitors
Commanders
RG Icon.png Primarch Corax
RG Icon.png Centurion Beyar Kedron[1]
RG Icon.png Nuran Tesk (KIA)[3]
IF Icon.png Captain Noriz[2]
Imperial Army Symbol.jpg Sub-Caesari Marcus Valerius[2]
EC Icon.png Captain Hasten Luthris Armanitan (KIA)[2]
Strength
RG Icon.png Raven Guard[2]
IF Icon.png Imperial Fists[2]
Custode Icon.png Adeptus Custodes[2]
Imperial Army Symbol.jpg Therion Cohort[2]
EC Icon.png Emperor's Children[2]
Casualties
Heavy:
10,000 Therions killed[2]
All killed

The Breaking of the Perfect Fortress was a battle of the Horus Heresy.[1]

Background

After the Drop Site Massacre, Fulgrim, Primarch of the Emperor's Children, constructed the Perfect Fortress on the world of Narsis. The Fortress would be used to secure the riches of several Forge Worlds and threaten the Imperial strongholds of Agrapha, Chopix and Spartus. It would also serve as a key part of the Imperium’s defences, until the Horus Heresy began and the Emperor's Children seized Narsis for Warmaster Horus. Once it fell into Traitor hands, the Perfect Fortress became a lynchpin for their presence in the southern Imperium. It would remain so until sometime after the Dropsite Massacre, when the vengeful Primarch Corax led his Raven Guard and their Therion Cohort allies in attacking the Fortress.[1]

Battle

Though it was heavily fortified, Corax ordered the Cohort into the Fortress, to make the Emperor's Children overconfident and to draw them out, so the Raven Guard could strike them down. Even as the Cohort then began to suffer horrific casualties, the Primarch prepared his forces, except the ill-favored Deliverers, to infiltrate the Fortress, while the Emperor's Children were distracted. Just as they were prepared to do so, the Scout Cruiser Fane of Shadow discovered an array of Flak Batteries, scattered across the Fortress, which had not been revealed by the Cohort's attack. They were all slaved to a control room, deep beneath one of the Fortress' central towers in Hab-block Delta-19. When the Batteries activated, the weapons would be able to wreak havoc on the unsuspecting Space Marine Legion. With Corax having ordered them to maintain Vox-silence before they attacked, no one on the Fane could warn him about this new threat.[1]

Acting quickly, the Centurion Beyar Kedron, who was aboard the cruiser, decided to lead his detachment of Deliverers in invading Hab-block Delta-19. Kedron would succeed in destroying the Flak Batteries' control room, at a heavy cost, allowing the Raven Guard succeeded in launching an ambush on the Emperor's Children from within the Fortress itself.[1] The moment for this attack arrived once the Therion Cohort began to retreat, causing the overconfident Emperor's Children led by the Perfect Fortress' commander, Hasten Luthris Armanitan, to pursue them. Now vulnerable, the Traitors were butchered by the Raven Guard's surprise assault, with Hasten being killed by Corax himself.[2]

Aftermath

When the battle was over, the Raven Guard had suffered little losses overall,[1] though the Therion Cohort had suffered terribly with at least 10,000 soldiers killed.[2]

Either way, Narsis once again belonged to the Imperium. Kedron's slain Deliverers were later placed in a mausoleum within the Fortress, as the Raven Guard left Narsis behind them. However, Corax was not known to have offered a word of praise or criticism for their actions, nor would the Deliverers' Legion honor them in anyway. In the wake of the battle, Kedron and a number of the Therion Cohort's commanders began to criticize the Primarch's plan, which had caused them to suffer such severe losses. This would reach Corax and in the months that followed the Fortress' fall, they would all be gathered into a separate battlegroup and ordered to seize the isolated world of Galaspar.[1]

See also

Sources


Battles of the Horus Heresy
005-006.M31 Battle of Isstvan IIIFirst Battle of ProsperoWar Within the WebwayBattle of the Somnus CitadelUnrest on CalibanSchism of MarsBattle of DiamatDrop Site MassacreBattle of the Rangda SystemFirst Battle of ParamarManachean WarSignus CampaignTreachery at Advex-MorsSiege of CthoniaBattle for Felweather Keep‎
007-008.M31 Battle of PhallDevouring of AntarrasBattle of RavendelveRuin of MaerdanBattle of the Alaxxes NebulaPale Stars CampaignBreaking of the Perfect FortressSilencing of GalantaChondax CampaignSecond Battle of ProsperoFirst Siege of Hydra CordatusBattle of the Furious AbyssBattle of CalthBattle of ArmaturaBetrayal at IthracaDeath of CanopusShadow CrusadeCrusade of IronDoom of BorminaDefence of TyrosDefence of the Three PlanetsBattle of UlixisAmbush at EspandorBattle of Aquila AtollBattle of Drooth IIPercepton CampaignBattle of IydrisThramas CrusadeFall of Baztel IIIBattle of VannaheimSecond Battle of ParamarBattle of Constanix IIMezoan CampaignBattle of BodtBattle of DwellErellian SubjugationSiege of Baal
009-010.M31 Battle of MolechBreaking of AnvillusXana IncursionCarnage of MoroxSangraal CampaignBattle of ArissakBattle of PerditusBattle of SothaDrussen AtrocityScouring of Gilden's StarBattle of NyrconBattle of TallarnCataclysm of IronBattle of NocturneWar of DrakesBattle of PlutoSiege of InwitBurning of Ohmn-MatBitter War
011-012.M31 Sacking of Sarcosa-OmikronReaving of the Xibana ReachesLorin Alpha CampaignSubjugation of TyrinthMalagant ConflictBattle of the Kalium GateBattle of CatallusAxandrian IncidentBattle of the Haddon SystemJarrazr IncursionBattle of TralsakTarren SuppressionBalthor Sigma InterventionBattle of AbsolomScouring of the Ollanz ClusterWar for XytheraBattle of ZepathSecond Battle of ZaramundBattle of AnuariBattle of PyrrhanSecond Battle of DavinArgolian MassacresBattle of TrisolianBattle of YarantBattle of KradeBattle of DelugeBattle of Heta-GladiusBattle of the Aragna ChainBattle of KallethBattle of the Diavanos SystemBattle of Desperation
013-014.M31 Battle of Beta-GarmonWar for AgaropsDefence of RyzaBattle of ThagriaPassage of AngelsThassos IncidentBattle of Zhao-ArkhadSerpent's CoilBlight of HorstaxSiege of BarbarusForicaan CampaignBattle of VezdellBurning of VrexorDawn of DesolationDeath of ChemosBattle of Luth TyreYdursk IncidentFall of TenzebarSolar WarRaid on LunaSiege of TerraGreat Scouring