Horus Heresy: Warzone Xyphos

The Xyphos Sub-sector

Welcome to Xyphos, a sub-sector of our own creation set in the galactic south-west, not far from Cadia. We thought it would be fun to carve out a corner of the Horus Heresy for us to weave a narrative amongst all our games. Away from cataclysmic events such as Isstvan, Calth and Signus Prime we can direct the narrative how we want.

The Horus Heresy was a time for unnamed individuals to stand amongst titans and countless heroes and villains were forged who might otherwise have been left in obscurity. It is time for your praetors, lord marshals and archmagi to shine!

Introduction

Deep in the Segmentum Pacificus the sub-sector of Xyphos has so far escaped the worst of the Horus Heresy. The area is home to seven systems, at least 54 worlds and countless billions of souls. A veritable paradise amidst a galaxy aflame, the sub-sector has considerable resources to be used for the war effort.

When news of Horus’ betrayal first spread to the Xyphos sub-sector, Governor Horatio Octavian quickly affirmed the Archadian system’s loyalty to the Emperor and the other populated systems followed their lead. The sub-sector geared for total war: forge world Hephaiston’s output multiplied, Eremus’ armouries were filled with countless weapons and ammunition whilst the ports above Helios IV buzzed with warships.

Several shattered remnants of the betrayed legions fleeing Isstvan V managed to make their way to Xyphos and were welcomed by the loyalist systems. Sheltered, untouched and well stocked, Xyphos was a formidable asset in support of the loyalist war effort.

This was about to change, as the Eye of Horus turned its lidless stare to the sub-sector and let slip its hounds of war…

Key Worlds

Archadian System
Aduran System
Ansham System
Cyclamenian System
Heliosian System
Perditian System
Zeugen System

Initial traitor advance into the Sub-sector

History

The sub-sector is currently loyal to the Emperor, with various key systems declaring for Terra as soon as they heard news of Horus’ betrayal. The Warmaster cannot allow this and has sent several forces under his command to secure the sub-sector or, if not possible, raise it to ashes.

XXII Millennial, Emperor’s Children, were the first traitors to arrive and secured quick victories in the North by taking the Zeugan and Perditian systems at a lightening rate by avoiding the central systems that remained unwaveringly loyal. The Emperor’s Children demanded compliance from all planets before them and eradicated anyone who refused. The hive world of Persepolis was one such world that refused to bow to Horus and now lay a smouldering ruin as a statement to all those who defy the Warmaster. Yet the loyalists did not respond to these attacks, refusing to be drawn out to terrain not of their choosing. They did not have the resources to protect every planet and amassed their forces to defend the key systems and planets in the core. Now the traitors arrived en masse though, it was time for the loyalist counter-attack.

Loyalists:
2nd Battalion, 7th Chapter, Raven Guard
13th Chapter, Salamanders
77th Company, Ultramarines
9th Battalion, Saoghal Siege Infantry
463rd Orta, Byzant Janizars
1212th Cohort, Piscaen Solar Auxilia

Traitors:
XXII Millennial, Emperor’s Children
4633rd Grand Battalion, Iron Warriors
Sleeper cell Phi-Gammer, Alpha Legion
22nd Frenzic Dragoons
Cult of the Screaming Silence

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