In the world of Warhammer 40k, the most coveted piece of Imperial weaponry is probably the Imperator-class Emperor Titan - a massive mechanical construct of walking death. The art of manufacturing these monstrosities is lost, but numerous examples still exist from bygone ages. Many lie fallen & buried on distant planets, but IIRC the operative ones are primarily held by individual Chapters of the Adeptus Astartes, such as the Ultramarines or Blood Angels.

I can't find an example now, but in the past I could swear I've seen GW paint-jobs or art showing Titans with chapter colors/banners.

Which Space Marine Chapters (if any) currently possess an Emperor Titan?

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2 Answers 2


The Titans belong to the Adeptus Mechanicus, the likes of the Ultramarines would probably have access to them in their capacity as protectors of Ultramar, other chapters would have access to them too but no Space Marine Chapter actually owns an Imperator-class Emperor Titan, or any Titan for that matter, the Imperium is strictly compartmentalized to prohibit another Heresy. Space Marines would never be allowed control over a Titan outside very specific situations.

Also Titans would just not mesh well with the rapid strike type of warfare favoured by Marines. Just as Marine chapters are not meant to fight wars of attrition and therefore don't have huge artillery companies or superheavy companies, they don't have Titans.

The pre-Heresy Thousand Sons had a Warlord Titan once, Canis Vertex. But this was a weird / special situation as the titan was possessed by the spirit of one of the Sons, he was brought to Prospero and only woke up if the planet was under attack.

Their pyramid on Tizca was topped by an constantly burning finial. The front gate of the pyramid was not surmounted by a golden statue of their cult symbol, like the other cult pyramids, but by Canis Vertex, a powered-down Warlord Titan of Legio Astorum that had been brought back to the city by Captain Khalophis after a particularly notable campaign. The Titan would eventually be deployed in the Battle of Prospero, and perish there.

  • Do we know if traitor chapters own titans? Or do those belong to the remnants of the Dark Mechanicus and not the traitor legions themselves?
    – user36219
    May 15, 2015 at 11:34
  • @Godzillarissa For the most part, it would be the same as the regular Space Marines. The titans would be the property of the Dark Mechanicus. Although many Chaos titans have been merged with demons and so are sentient, I'm not sure if these titans would remain with the DM or if they would follow a chapter. One thing to consider though is maintenance of the titan, most chapters, traitor or no, just wouldn't have the facilities for it.
    – Daft
    May 15, 2015 at 11:45

"Currently" is relative since the Black Library and the Warhammer 40K universe is ever in flux. There have been notable Imperator-Class Emperor Titans published in their works and denoted in several of the online wikis. As to whether those titans still exist in the latest productions is up to Black Library and their supplement creators.

The only still active Imperator-Class Emperor Titan I can find in records is:

Imperius Volcanus — This Emperor Class titan marched in the Novena celebrations in Hive Primaris on Thracian. Even after the terrible battle there, it was not listed as destroyed. The Two Space Marine Charters associated with it are White Scars and Aurora Chapter.

  • Unfortunately, Imperator-Class Titans are often at the heart of many a struggle for control of such a devastating machine. The Warhammer litanies often speak of such devices being fought over and usually destroyed to prevent them from staying in the wrong hands (the hands of whoever unearthed the device and tried to claim its holy power for their own).

  • A known list of Titan Legions and Traitor Legions (that is, legions who may have, can have, or potentially can get a titan from a forge world. It is not specified if they can get an Imperiator-Class, but it is indicated most large Space Marine chapters can have at least one.)

  • In comparison to Battle Titans of all classes, the Imperators and Warmongers are rare with most Titan Legions only able to field three or four in a campaign. These monstrous war engines are commanded by only the most battle-hardened Princeps. Their crews are composed of the finest crew members from other Titans within the Legion. The Titan Legion's Grand Masters often use Imperator Titans as their mobile headquarters from where they can issue commands or lead vital assaults personally.

A certainly partial list of notable Imperator-Class titans:

Abominatus "Despoiler of Worlds" (Imperator-class Titan) - Abominatus is one of the most terrifying of all the servants of the Blood God. Abominatus is the hellish union of an Imperator-class Titan and a Greater Daemon of Khorne.

Aquila Ignis (Imperator-class Titan) - The Aquila Ignis was an Imperator-class Titan of the Legio Mortis, constructed in the Daedalia Forge Yards far to the south of Tharsis on Mars. The Aquila Ignis fought during the Schism of Mars against Loyalist elements from the Legio Tempestus in the battle for Magma City, where it was destroyed in the heavy combat. (Destroyed in Combat)

Dies Irae (Imperator-class Titan) - The Dies Irae was an Imperator-class Titan of the Legio Mortish which was attached to the 63rd Expeditionary Fleet under the command of the Warmaster Horus. This infamous Titan was present during the opening days of the Horus Heresy at Istvaan III, when it followed Horus' orders and helped exterminate the remaining Loyalist Astartes of the Traitor Legions present on that cursed world after they were virus-bombed by their comrades from orbit. The Dies Irae was also present during all of the major ground assaults towards the end the rebellion. The Dies Irae finally met its fate ten millennia later during the siege of Hydra Cordatus in 999.M41 during the 13th Black Crusade when it served as part of an Iron Warriors attack force. (Destroyed in Combat - Storm of Iron (Novel) by Graham McNeill)

Dominatus (Imperator-class Titan) - The Dominatus was an Imperator-class Titan from an unknown Titan Legion that fell in battle, fighting against the Forces of Chaos during the failed defence of Lorn V. Laying broken and forgotten for millennia, the lost Titan was rediscovered by the Imperium, and so, the Cadian 412th Imperial Guard Regiment, under the command of General Sturnn was despatched to retrieve it. (Destroyed in Combat - Warhammer 40,000: Dawn of War - Winter Assault and Only War: Hammer of the Emperor, Chapter 1, pg. 21)

Exemplis (Imperator-class Titan) - The Exemplis was the last remaining Imperator Titan of the Legio Ignatum, worshiped by the Adeptus Mechanicus as an avatar of the Omnissiah. The Exemplis saw its last action on the world of Tanakreg against a large Word Bearers Traitor Legion warhost of the Dark Apostle Jarulek. Despite the horrendous casualties it inflicted upon the heretics, the Chaos Space Marines managed to board and destroy the Exemplis after attacking its more vulnerable components. (Destroyed in Combat - Dark Apostle (Novel))

Mettalum Olympus (Imperator-class Titan) - The Mettalum Olympus was a notable Imperator Titan, commanded by Princeps Goethe, which managed to almost single-handedly hold off a Tyranid invasion on the ash-choked plains of Horst Prime. Surrounded by an entire horde of Hierophant Bio-Titans, the ancient Titan met its end when the Tyranids managed to breach its plasma reactor. The resultant explosion vapourised everything within a kilometre, leaving a crater that is still visible from orbit. (Destroyed in Combat - Codex: Tyranids (5th Edition), pg. 81)

Praeco Deictus (Imperator-class Titan) - An Imperator Titan of the Legio Crucius, which had survived the grim days of the Horus Heresy and had won countless victories on thousands of worlds for the Imperium. The Praeco Deictus was destroyed, along with other Titans of the Legio Crucius, defending the Hive World of Kado from the Forces of Chaos. During the fighting, a hundred Slaanesh Hell-Knights infiltrated the main Hive City and emerged to attack the Imperator Titan from the rear where it was most vulnerable, turning it into a pile of molten slag. (Destroyed in Combat - White Dwarf 190 (UK), pg. 29)

  • This is just the list of notable ones from the same wiki link I gave. Several of the Space Marines chapters possess their own Titans, though, which is what I'm looking for. For instance, I know the Ultramarines have one. I'm pretty sure the Blood Angels have one as well, maybe two.
    – Omegacron
    May 11, 2015 at 20:00
  • Can you link to a reference that says that the White Scars and the Aurora share the ownership of the Imperius Volcanus. I may have misread but your link don't say that.
    – Taladris
    May 12, 2015 at 5:39
  • Hive Primaris on Thracian is the link. May 12, 2015 at 5:56
  • @Thaddeus perhaps I'm thinking of Warlord-class Titans, then. I could've sworn I've seen them with Ultramarine and Blood Angels Chapter markings before.
    – Omegacron
    May 12, 2015 at 12:54

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