Praetor (Space Marine)

Marius Gage panoply — First Master Marius Gage, chapter master of the 1st Chapter of the Ultramarines Legion during the Great Crusade and Horus Heresy, a premier example of a Space Marine praetor.

Praetor is the name of a bygone rank for a senior Astartes officer of the Space Marine Legions used during the Great Crusade and Horus Heresy eras in the late 30th and early 31st Millennia.

The praetors were the mightiest warriors and battle-leaders of the ancient Legiones Astartes, second only to the demigod-like primarchs in martial skills and generalship. They most commonly commanded chapter-size formations of approximately 1,000 Space Marines within their Legion or whatever the equivalently-named unit was within a given Legion's culture.

These lords of the Imperium of Man held the power of life and death over whole worlds, with the direct control of entire Imperial war fleets and armies in their hands.

Each was a greatly experienced warrior and warlord, unique in character, who had written a legend in blood for themselves, and carried into battle the finest wargear and weapons known to Mankind at that time.

In their ranks could be found officers called "chapter masters" and "lord commanders," "archeins," "warsmiths," "first captains," "khans" and "tribunes" as the traditions and cultures of their individual Legions dictated. They were the masters of war who commanded the hosts of the Great Crusade that conquered worlds unnumbered.

What role did the Praetor play in the Space Marine Legions during the Great Crusade? toggle section

In the 31st Millennium's Great Crusade, the Praetor was a pivotal figure in the Space Marine Legions. When the Legion's primarch was absent, command was entrusted to a select group, including the Praetor. These Veteran Astartes warriors were selected for their strategic expertise, unwavering commitment, and allegiance to the Emperor and His Great Crusade. Their superior combat skills among their brethren were also acknowledged. Praetors were the most formidable warriors and commanders of the ancient Legiones Astartes.

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Who were the only warriors superior to the Praetor in the ancient Legiones Astartes? toggle section

In the ancient Legiones Astartes, the primarchs, with their demigod-like prowess in martial skills and generalship, were the only warriors superior to the Praetors. Despite the Praetors' command over chapter-size formations of around 1,000 Space Marines within their respective Legions, they remained second to the primarchs.

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How many Space Marines did a Praetor typically command in their Legion? toggle section

Within the ancient Legiones Astartes, a Praetor held significant authority, typically commanding chapter-size formations of around 1,000 Space Marines in their Legion. These influential figures, second only to the primarchs in martial skills and generalship, wielded considerable power over entire worlds and controlled vast Imperial war fleets.

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What is the difference between a Space Marine Praetor and a Space Marine Praetorian? toggle section

A Space Marine Praetor, such as those in the Ultramarines or Dark Angels, was a high-ranking officer during the Great Crusade and Horus Heresy eras, recognized as a mighty warrior and battle-leader. Conversely, a Space Marine Praetorian is a type of Combat Servitor, a cybernetic human equipped with heavy weaponry and capable of moving on tank treads, built according to the Mechanicus Magi's preferences.

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Which Space Marine Legion was the Ultramarines Praetor part of? toggle section

The Ultramarines Legion.

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History[]

SonsofHorusImperialFistsPraetors — Praetors of the Sons of Horus and the Imperial Fists clash during the Horus Heresy at the Siege of Cthonia.

During the time of the Great Crusade in the late 30th Millennium, Space Marine Legions were vast engines of war whose transhuman warriors numbered in the tens of thousands or even hundreds of thousands.

The full panoply of war of one of the Legiones Astartes was a terrible thing to behold, and was capable of obliterating entire civilisations through a variety of deadly means ranging from sheer brute force and numbers, armoured assault waves, murderous siege-craft or overwhelming and relentless attacks from close orbit.

The particular methods of such exterminations were overseen by the high commanders of the Legions, select individuals that brought solar decades of experience and acquired tactical acumen to the ruin of Mankind's foes. Whatever the particular title actually awarded to them by their Legion based on its individual culture and history, these officers were known in general across the Legiones Astartes as praetors.

Notable Praetors[]

Legion Number	Legion Name	Legion Title	Name	Loyalty	Status
I	Dark Angels	Master of Caliban	Luther	Traitor	Recently freed from imprisonment in The Rock.
I	Dark Angels	First Master	Merir Astelan	Traitor	At large.
I	Dark Angels	Master of the Deathwing	Holguin	Loyal	Deceased
III	Emperor's Children	Lord Commander	Anteus	Loyal	Deceased
III	Emperor's Children	Lord Commander	Ariston	Traitor	Deceased
III	Emperor's Children	Lord Commander	Cyrius	Traitor	Deceased
III	Emperor's Children	Lord Commander Primus	Eidolon	Traitor	Alive
III	Emperor's Children	Lord Commander	Iddinam	Traitor	Deceased
III	Emperor's Children	Lord Commander	Illois	Loyal	Deceased
III	Emperor's Children	Lord Commander	Lelanthius	Traitor	Deceased
III	Emperor's Children	Lord Commander	Lothreal Sabine	Unknown	Unknown
III	Emperor's Children	Lord Commander	Teliosa	Loyal	Deceased
III	Emperor's Children	Lord Commander	Vespasian	Loyal	Deceased
III	Emperor's Children	First Captain	Julius Kaesoron	Traitor	Daemon Prince
IV	Iron Warriors	First Captain	Forrix	Traitor	Deceased
IV	Iron Warriors	Lieutenant	Soltarn Vull Bronn	Traitor	Still serves Honsou
IV	Iron Warriors	Warsmith	Berrosus	Traitor	Deceased
IV	Iron Warriors	Warsmith	Barabas Dantioch	Loyal	Deceased
IV	Iron Warriors	Warsmith	Kroeger	Traitor	Deceased
IV	Iron Warriors	Warsmith	Harkor	Traitor	Deceased
IV	Iron Warriors	Warsmith	Barban Falk	Traitor	Ascended to daemonhood as a Daemon Prince
IV	Iron Warriors	Warsmith	Honsou	Traitor	Commands a massive warband of Chaos Space Marines on Medrengard
IV	Iron Warriors	Warsmith	Kolvax	Traitor	Deceased
IV	Iron Warriors	Warsmith	Toramino	Traitor	Alive
IV	Iron Warriors	Warsmith	Zhorisch	Traitor	Leads a massive warband of Chaos Space Marines that currently plagues the Jericho Reach
V	White Scars	Master of the Hunt	Jubal Khan	Loyal	Stood by his Primarch Jaghatai in the stalwart defence of the Imperial Palace during the Siege of Terra.
V	White Scars	Master of the Keshig	Qin Xa	Loyal	Deceased
V	White Scars	Noyan-Khan (Chapter Master)	Hasik Noyan-Khan	Traitor	Sought to take over White Scars Legion Fleet while at Prospero for Horus. Slain by his Primarch.
V	White Scars	Noyan-Khan (Chapter Master)	Jemulan Noyan-Khan	Loyal	KIA during 4th year of Horus Heresy.
VI	Space Wolves	First Captain (Wolf Lord)	Gunnar Gunnhilt	Loyal	KIA during the Battle of the Alaxxes Nebula.
VI	Space Wolves	Wolf Lord	Amlodhi Skarssen Skarssensson	Loyal	Wolf Lord of the Space Wolves Legion's 5th Great Company.
VI	Space Wolves	Wolf Lord	Jorin Bloodhowl	Loyal	Jarl of the Space Wolves Legion's 13th Great Company during the Horus Heresy. Deceased.
VI	Space Wolves	Wolf Lord	Ogvai Ogvai Helmschrot	Loyal	Wolf Lord of the Space Wolves Legion's 3rd Great Company.
VII	Imperial Fists	First Captain	Sigismund	Loyal	Following the Second Founding, became the first Chapter Master of the Black Templars Chapter.
VII	Imperial Fists	Master of the Huscarls	Archamus	Loyal	Killed during the Battle of Pluto saving the life of Rogal Dorn.
VIII	Night Lords	First Captain	Jago "Sevatar" Sevatarion	Traitor	Killed during the Siege of Terra.
VIII	Night Lords	First Captain	Zso Sahaal	Traitor	Designated by the Night Lords' Primarch Konrad Curze to serve as his successor as leader of the VIII Legion just before his assassination,
VIII	Night Lords	Equerry	Shang	Traitor	Slain by Skaivrok in duel for control of Night Lords Legion during the Horus Heresy.
IX	Blood Angels	First Captain, Chapter Master	Raldoron	Loyal	Became the first Chapter Master of the Blood Angels Chapter following the Second Founding.
IX	Blood Angels	Commander of the Sanguinary Guard	Azkaellon	Loyal	Sole surviving Sanguinary Guard after the Siege of Terra.
IX	Blood Angels	High Warden	Dahka Berus	Loyal	Responsible for enforcing the dictates of the Council of Nikaea.
X	Iron Hands	Lord Commander	Amadeus DuCaine	Loyal	KIA at the Drop Site Massacre.
X	Iron Hands	First Captain	Gabriel Santor	Loyal	Killed during the Drop Site Massacre of Istvaan V by the Traitor Emperor's Children First Captain Julius Kaesoron
X	Iron Hands	Clan Commander of Morragul Clan	Autek Mor	Loyal	First Chapter Master of the Red Talons after the Second Founding.
XII	World Eaters	Centurion	Khârn the Betrayer	Traitor	Became a powerful Chaos Champion of Khorne after the Horus Heresy.
XIII	Ultramarines	First Master	Marius Gage	Loyal	Gage was the Master of the 1st Chapter of the Ultramarines Legion and its overall second-in-command.
XIII	Ultramarines	Tetrarch	Valentus Dolor	Loyal	Governor of Occluda and Regent of Ultramar during the Horus Heresy.
XIII	Ultramarines	Legatus of Armatura	Orfeo Cassandar	Loyal	KIA by Angron during the Shadow Crusade.
XIII	Ultramarines	Chapter Master	Phratus Auguston	Loyal	KIA by Konrad Curze on Macragge.
XIII	Ultramarines	Chapter Master	Verus Caspean	Loyal	Chapter Master of the 3rd Chapter and later the 1st.
XIV	Death Guard	Equerry	Caipha Morarg	Traitor	Member of the Legion Breacher Siege Squad\|24th Breacher Squad]] who became Mortarion's Equerry.
XIV	Death Guard	Master of Ordnance	Durak Rask	Traitor	Killed during the Istvaan III Atrocity.
XIV	Death Guard	First Captain	Calas Typhon	Traitor	The first Death Guard to turn to the service of Chaos, Typhon became the corrupted Typhus, Herald of Nurgle and Host of the Destroyer Hive.
XV	Thousand Sons	First Captain	Ahzek Ahriman	Traitor	Captain of the 1st Fellowship and Magister Templi of the Corvidae, Ahriman enacted the spell known as the Rubric of Ahriman which resulted in the creation of the undead Rubric Marines.
XV	Thousand Sons	Magister Templi	Phosis T'Kar	Traitor	Captain of the 2nd Fellowship, Magister Templi of Raptora Cult, KIA during Burning of Prospero.
XV	Thousand Sons	Magister Templi	Haathor Maat	Traitor	Captain of the 3rd Fellowship, Magister Templi of the Pavoni.
XV	Thousand Sons	Captain	Menes Kalliston	Loyal	Captain of the 4th Fellowship, killed by Khârn among the ruins of Prospero.
XV	Thousand Sons	Magister Templi	Baleq Uthizzar	Loyal	Captain of the 5th Fellowship, Magister Templi of the Athanaean Cult, slain by Magnus the Red.
XV	Thousand Sons	Magister Templi	Khalophis	Traitor	Captain of the 6th Fellowship, Magister Templi of the Pyrae Cult, KIA during the Burning of Prospero.
XV	Thousand Sons	Equerry	Amon	Traitor	Captain of the 9th Fellowship.
XVI	Sons of Horus	First Captain	Ezekyle Abaddon	Traitor	Abaddon eventually became known as Abaddon the Despoiler, successor of Horus as the Warmaster of Chaos, leader of the Black Legion and the most powerful Chaos Lord within the Eye of Terror. It was he who launched the greatest of the Black Crusades against the Imperium.
XVI	Sons of Horus	Mournival Member	Tarik Torgaddon	Loyal	Captain of the 2nd Company, KIA during the Istvaan III Atrocity.
XVI	Sons of Horus	Mournival Member	Hastur Sejanus	Loyal	Captain of the 4th Company, KIA on world designated Sixty-Three-Nineteen.
XVI	Sons of Horus	Mournival Member	Garviel Loken	Loyal	Captain of the 10th Company; later a member of the Knights-Errant of Malcador the Sigillite.
XVI	Sons of Horus	Mournival Member	Horus Aximand	Traitor	Captain of the 5th Company.
XVI	Sons of Horus	Mournival Member	Falkus Kibre	Traitor	Captain of the 1st Company; later commander of the Black Legion's Terminator elite, the Bringers of Despair.
XVI	Sons of Horus	Mournival Member	Grael Noctua	Traitor	Sergeant of the 25th Company; later Daemonhost for Tormaggedon.
XVI	Sons of Horus	Equerry	Maloghurst	Traitor	Former Captain of the Sons of Horus, later potent Chaos Sorcerer.
XVII	Word Bearers	First Captain	Kor Phaeron	Traitor	First Captain and Black Cardinal (High Priest) of the Word Bearers Legion, it was Kor Phaeron's influence and continuing devotion to the Colchisian Old Faith that corrupted his Primarch and the XVII Legion.
XVII	Word Bearers	First Chaplain	Erebus	Traitor	After the Heresy, Erebus became a Dark Apostle and leader of the Word Bearers' ruling Dark Council.
XVII	Word Bearers	Chapter Master	Argel Tal	Traitor	Captain of the 7th Assault Company of the Serrated Sun Chapter; later Crimson Lord of the Gal Vorbak, KIA during the Shadow Crusade on Nuceria.
XVII	Word Bearers	Crimson Apostle	Zardu Layak	Traitor	Officer of the Ashen Circle, became a Possessed of the Gal Vorbak and First Chaplain of the Chapter of the Ochre Gate, later called the Unspeaking.
XVIII	Salamanders	First Captain and Equerry	Artellus Numeon	Loyal	Captain of the 1st Company, the Firedrakes; sacrificed himself on Mount Deathfire to resurrect Vulkan during the Horus Heresy.
XIX	Raven Guard	Commander	Branne Nev	Loyal	Led the mission that resulted in the rescue of Corax from Istvaan V. Afterwards, Branne was made the new Master of Recruits.
XIX	Raven Guard	Commander	Agapito Nev	Loyal	Captain of the Raven Guard and biological brother of Branne Nev; later the commander of the "Talons", the surviving Tactical Companies of the Legion after the Drop Site Massacre.
XIX	Raven Guard	Commander	Solaro An	Loyal	Captain of the Raven Guard air assets known as the "Hawks," KIA at the Drop Site Massacre; identity stolen by Alpha Legion infiltrator.
XX	Alpha Legion	First Captain	Ingo Pech	Traitor	Served at the Battle of Pluto.
XX	Alpha Legion	Harrowmaster	Armillus Dynat	Traitor	Served as a theatre commander or "Harrowmaster," for the Alpha Legion in multiple engagements of Great Crusade and Horus Heresy.
XX	Alpha Legion	Consul-Delegatus	Autilon Skorr	Traitor	Senior Alpha Legion commander during the Mezoan Campaign.
XX	Alpha Legion	Harrowmaster	Kel Silonius	Traitor	Senior Alpha Legion commander whose identity was used by Alpharius to initiate a subversion campaign on Terra. Later led the Alpha Legion fleet at the Battle of Pluto.