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"You are like a son and together we have all but conquered the galaxy. Now the time has come for me to retire to Terra. My work as a soldier is done and now passes to you for I have great tasks to perform in my earthly sanctum. I name you Warmaster and from this day forth all of my armies and generals shall take orders from you as if the words came from mine own mouth. But words of caution I have for you for your brother primarchs are strong of will, of thought and of action. Do not seek to change them, but use their particular strengths well. You have much work to do for there are still many worlds to liberate, many peoples to rescue. My trust is with you. Hail Horus! Hail the Warmaster!"

— The Emperor of Mankind addressing Horus Lupercal at the Triumph of Ullanor
Primarchs-detail

The primarchs Horus Lupercal, the first Imperial Warmaster, and Fulgrim of the Emperor's Children during the great Imperial Triumph after the successful conclusion of the Ullanor Crusade.

The title of Warmaster, officially designated in the 41st Millennium by the Administratum as Lord Solar or Lord Commander Solar, is one of the highest military ranks and titles granted to an individual by the Imperium of Man.

The title originated in the final days of the 30th Millennium when it was bestowed upon the most favoured of the primarchs of the Space Marine Legions, Horus Lupercal of the Luna Wolves, by his father the Emperor of Mankind.

Horus was granted the title so that he could serve as the supreme commander of all Imperial military forces -- including the other Legiones Astartes -- in the last years of the Great Crusade.

In the 41st Millennium the rank is rarely used but can be granted by the Senatorum Imperialis to designate the general officer of the Astra Militarum who will be leading a particularly large and important Imperial Crusade.

The title is also used by the Chaos Lord Abaddon the Despoiler of the Black Legion. Abaddon views himself as the successor to Horus as the rightful leader of all of the Chaos forces in the Long War against the Emperor. For this reason he is often referred to as the "Warmaster of Chaos."

History[]

"I have at my command an entire battle group of the Imperial Guard. Fifty regiments, including specialised drop troops, stealthers, mechanised formations, armoured companies and mobile artillery.
Over half a million fighting men and thirty thousand tank and artillery pieces are mine to command.
Emperor show mercy to the fool who stands against me, for I shall not.
"

— Warmaster Demetrius, Salonika Crusade, 733.M38

The title of Warmaster was created in recognition of the primarch Horus' promotion by the Emperor to take His place as the supreme commander of all Imperial military forces during the final years of the Great Crusade, after the Emperor had retired to Terra to begin work on His secret project to open the Aeldari Webway up to Human use.

The title was officially granted to Horus during the great Imperial triumph held after the successful conclusion of the campaign known as the Ullanor Crusade against the Orks. Eventually, the Luna Wolves were renamed the Sons of Horus by Horus, as had been suggested by the Emperor at the Triumph of Ullanor following prodding from Sanguinius.

This honour was intended to better reflect the prestige of the Warmaster's title as the primarch who led all of his brothers, but it became a badge of pride and hubris after Horus' corruption by the Dark Gods.

At present, the title of Warmaster is one of the most powerful ranks that can be granted to an officer of the Imperial armed forces, including officers of the Astra Militarum, the Imperial Navy or a Chapter Master of one of the Adeptus Astartes who is commanding a much larger Imperial force.

The rank is officially second in the Imperial military hierarchy only to that of the Lord Commander Militant of the Astra Militarum, who serves on the Senatorum Imperialis as one of the High Lords of Terra and is the commander-in-chief of the Astra Militarum.

Present Usage[]

"The opportunity that we are offered is far too great to ignore. A brief foray, using the assets of the Calixis Sector, could spread the glory of the God-Emperor to millions who crave his light and return untold wealth and glory to Scintilla."

Tiber Achilus, in his bid for command of the Achilus Crusade into the Jericho Reach
Warmaster Tiber Achilus

Warmaster Tiber Achilus, leader of the Achilus Crusade.

The title of Warmaster is bestowed by the High Lords of Terra in the 41st Millennium when an Imperial Crusade is being planned and resources from multiple Imperial sectors are needed.

The supreme overall command designated by the rank of Warmaster is necessary as inter-and intra-service strife and bureaucratic rivalries might make assembling the materiel required and co-operating in the field difficult for officers of the different services without a clear grant of supreme authority.

The rank is not available unless granted by the High Lords of Terra and it is the normal formulation to say that such an individual has been given his or her command by the Emperor Himself. There is rarely more than one Warmaster operating within the Imperium at any one time, due to the extreme powers given to the holder of the title.

Some in the Imperium consider the title of Warmaster to be cursed or a sign of ill-omen because of the ties of the rank to Horus and the Horus Heresy, the terrible galactic civil war that tore the Imperium in two. This is one reason why the title is rarely granted, and also the reason the rank is officially proclaimed as "Lord Commander Solar" rather than "Warmaster" when bestowed by the Senatorum Imperialis, though the holder of the title is still usually addressed as "Warmaster" by subordinates.

It is also the reason why the forces of Chaos now grant that title to the Chaos Lord who is capable, like Horus, of uniting all the many different Chaos factions under the banner of Chaos Undivided in pursuit of the single goal of destroying the Imperium of Man in the Long War.

At present, the Warmaster of Chaos is Abaddon the Despoiler, though the title is often claimed by any Chaos Lord strong enough to unite a disparate group of the servants of the Dark Gods under their command.

Notable Warmasters[]

  • Ingenus - In 845.M41, the Dimmamak War escalated after Drukhari pirates captured Warmaster Ingenus. In response, a further forty thousand regiments were raised and all high-ranking Astra Militarum general officers were assigned personal bodyguards from that point forward.
  • Hokaeto - Hokaeto is the Supreme Imperial Commander and Imperial Warmaster in command of the Desmaxian Crusade.
Astra Militarum Hierarchy
General Officers Lord Commander MilitantWarmaster (Lord Solar) • Lord CommanderLord General MilitantLord GeneralGeneral
Officers ColonelMajorCaptainLieutenant
Non-Commissioned Officers and Enlisted SergeantCorporalTrooper (Guardsman)
Specialists InquisitorCommissarPriestTech-PriestEnginseerSanctioned PsykerPrimaris PsykerWyrdvane Psyker

Sources[]

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