Guilliman

Biodata

Feature	Value
Name	Guilliman (基里曼), also called Roboute Guilliman
Alias(es)	Thirteenth Son; Lord of Ultramar; Imperial Regent; Savior of Humanity; God-@@REF_ENTITY_11397615@@; Master of Mankind
Species/Race	Primarch; later regarded as a god by much of the Imperium
Gender	Male
Affiliation	Imperium of Man; Ultramarines; Indomitus Crusade
Occupation/Role	Ruler of the Imperium; military supreme commander; reformer
Status	Active
First Appearance	2

Power Progression

Stage / Realm / Level	Chapter	Notes
Lord of Dominion Template / follower-based power	5	The template converts followers’ faith into power; his strength rises with his reputation, achievements, and number of believers. 5
Database Level 1	3	Unlocked by expelling Chaos from Macragge; grants access to technologies including Dark Matter Engines, Planet-Killer Weapons, super-soldier modification, warp-drive principles, and warship designs. 3 8
Fifth-stage Database	547	Activated after the promised ten-stage Database proves nonexistent; Guilliman receives its creators’ message encouraging exploration of the myriad heavens. 547

Background / History

Guilliman was adopted by Konor, the planetary governor of Macragge, and grew up with both adoptive parents. Konor’s commitment to public welfare and meritocratic reform shaped Guilliman’s political ideals. His upbringing and family life helped him resist Chaos corruption despite repeated wounds from Chaos-tainted weapons. 54

During the Horus Heresy era, Guilliman was wounded by Kor Phaeron and later stabbed in the same location by Fulgrim. The betrayal at Calth devastated the Ultramarines, Imperial Army, and civilians of the system, establishing Guilliman’s enduring enmity toward the Word Bearers and Chaos. 8

After his resurrection on Macragge, a foreign soul merges with the gap in his wounded soul, creating a “new Guilliman.” He awakens in Resurrection Armor with the Emperor’s Sword, immediately becoming a rallying symbol for Imperial defenders. 2 99

Appearance

Guilliman is an immense Primarch whose presence is repeatedly described as divine or demigod-like. He commonly appears in azure or blue power armor, later wearing ceremonial armor and the Crown of Kings.

• Carries the flaming Emperor’s Sword. 2 6
• Wields the Hand of Dominion gauntlet. 21
• His armor and stature intimidate even hardened Imperial personnel. 18
• Has a noble, flawless face and exceptional physical stature. 456

Personality

Guilliman is pragmatic, calculating, and intensely focused on humanity’s survival. He prefers to stabilize supply lines, industry, administration, and territory before committing to larger wars, treating Ultramar as the foundation from which the Imperium can recover. 9 58

He is also ruthless toward opponents of his reforms. Guilliman regards political loyalty as insufficient unless it includes obedience to his program; nobles, merchants, and officers who resist face arrests, purges, or execution. 45 49 65

His certainty in his own judgment often manifests as arrogance. He dismisses Fulgrim’s corruption attempts, taunts imprisoned traitor Primarchs, and openly pursues ambitions extending beyond the Milky Way and into other universes. 130 272 338

Despite this, Guilliman shows consideration for loyal subordinates, such as Guidos and Calgar, and insists that soldiers receive better logistical support, survivability research, education, and recognition than under the old Imperium. 15 110 152

Abilities & Skills

Primarch Physiology

Guilliman possesses immense physical strength, resilience, regeneration, memory, and battlefield awareness.

• Defeated Kabadar, a Greater Daemon of Khorne, after crippling and beheading it. 6
• Destroyed a Plague Dreadnought with little effort. 23
• Survived wounds from the Ork Warlord and recovered through Primarch regeneration. 93
• Memorized the complete data of a star system in less than half a minute. 204
• His later augmentation and Dominion Template place him beyond Greater Daemons and Daemon Primarchs. 164

Dominion Power

The Lord of Dominion Template turns faith in Guilliman into direct power.

• Imperial soldiers and civilians who witness him become followers. 5
• His power increases with fame, military victories, and public belief. 17
• The faith of Macragge’s surviving population makes his battle against Kabadar comparatively easy. 6
• Combines with the Emperor’s blessing to produce devastating fire and force-field attacks against Orks. 92

Strategic Command

Guilliman is an exceptional organizer, commander, and logistician.

• Established Ultramar as a secure rear base before expanding the Indomitus Crusade. 9
• Synthesizes information from thousands of battlefields and adjusts operations to preserve Imperial advantages. 78
• Developed “Guilliman Tactics” by combining the doctrines of multiple loyalist and traitor Primarchs. 120
• Delegates specialized responsibilities to his brothers and commanders, including Corax’s Warp Intelligence Network, Dorn’s Webway Project, and Russ’s cross-universe campaign. 216 493
• Chaos commanders consider prolonged war against Guilliman dangerous because Ultramar can continually generate reinforcements. 205

Resistance to Chaos

Guilliman displays exceptional resistance to corruption, daemonic influence, and Warp-based temptation.

• Attributes his resistance partly to his healthy upbringing and faith in humanity. 54
• Silences and intimidates the daemon sealed within Antar, Krowe’s cursed sword. 57 58
• Burns the Crown of Vanity rather than accept its visions of glory. 130
• Refuses to be intimidated by the Chaos Gods, Daemon Primarchs, or Fulgrim’s temptations. 130 205

Technological Leadership

Through the Database and his alliance with Cawl, Guilliman directs technological modernization across the Imperium.

• Authorizes Primaris upgrades, including the Heart of Guilliman and additional organs. 31 49
• Supports modular warship construction to reduce production time and cost. 49
• Orders research into Necron technology, teleportation, medical technology, Daemon-fighting weapons, and the Webway. 109 110 164
• Plans to preserve all Imperial knowledge within the Assistant Spirit and grant it conditional authority to guide humanity after his absence. 547

Equipment / Weapons / Items

• Emperor’s Sword — The Emperor’s personal sidearm; emits golden flames that drive back Warp shadows and annihilate enemies. 2 4 92
• Resurrection Armor — Armor supplied by Belisarius Cawl upon Guilliman’s revival. 2
• Hand of Dominion — Power gauntlet worn on his left hand. 21
• Crown of Kings — Crown forged by Vulkan and worn after Guilliman becomes Master of Mankind. 374
• Macragge’s Honour — His Gloriana-class flagship during the early Indomitus Crusade. 15 90
• Sovereign Supreme — Later flagship and command vessel. 370 377
• Personal Database and Assistant Spirit — Database system providing advanced technological knowledge and mission rewards. 3 8 547

Relationships

• The Emperor — Father and former Master of Mankind; Guilliman seeks his aid and Webway knowledge, but also fears being treated as a disposable tool. 164 99
• Konor — Adoptive father and former governor of Macragge; his welfare policies and meritocratic reforms influenced Guilliman. 54
• Marneus Calgar — Trusted subordinate and Chapter Master; Guilliman entrusts him with Macragge’s defense, later major crusade commands, and reform enforcement. 15 216
• Kayvaan Sicarius — Loyal captain, Swordmaster, and frequent battlefield lieutenant; Guilliman trusts him with intelligence, operations, and personal security. 65 93 243
• Saint Celestine — Imperial saint and ally who recognizes Guilliman as humanity’s renewed hope. 3 6
• Belisarius Cawl — Tech-priest ally responsible for Guilliman’s resurrection, technological projects, Primaris improvements, and Database-related communications. 2 31 547
• Guidos — Loyal psyker who maintains access to Cawl’s avatar; Guilliman respects his sacrifice and worries about the psychic strain placed on him. 31 152
• Rogal Dorn — Returned Primarch brother entrusted with the Webway Project and later cross-universe infrastructure. 216 377
• Corvus Corax — Returned Primarch brother appointed to lead the Warp Intelligence Network. 216
• Leman Russ — Returned Primarch brother assigned to lead the Punisher Legion in Universe 03. 493
• Fulgrim — Traitor Primarch and long-standing enemy; Guilliman resists his corruption, defeats him, and has him imprisoned. 130 216
• Magnus — Traitor Primarch whose plans Guilliman anticipates and counters; later used to sustain the Golden Throne and Webway seals. 87 294
• Ufthak — Ork Warlord cultivated and controlled as an Imperial biological weapon; eventually becomes Ork Emperor while remaining bound to Guilliman. 338 360 373

Story Role / Major Arcs

Resurrection and the Battle of Macragge

Guilliman awakens on Macragge during a Chaos invasion, accepts an authentication mission to expel Chaos, and leads loyalists in a counterattack. He defeats the Greater Daemon Kabadar, restoring hope to Imperial forces and civilians. 2 6

Ultramar Stabilization and the Indomitus Crusade

Rather than immediately return to Terra, Guilliman consolidates Ultramar and the Five Hundred Worlds as a defensible industrial and military base. He gathers Space Marine Chapters and Imperial factions, then launches the Indomitus Crusade against Chaos, xenos, and internal instability. 9 14 15

Imperial Reforms

Guilliman proposes wealth redistribution, compulsory education, unified law, merit-based governance, welfare improvements, and centralized military oversight. His reforms provoke resistance, assassinations, noble rebellions, and purges. 13 49 65 136

Charadon and Golgotha Campaigns

Guilliman directs campaigns against Orks, Necrons, and Tyranids. He annihilates an Ork Attack Moon, leads the assault on Golgotha, and personally kills the Ork Warlord Arsonist despite sustaining injuries. 78 90 92 93

Terra and the Webway Project

After returning to Terra and defeating Angron’s invasion, Guilliman consults the Emperor through the Golden Throne for Webway technology. He later obtains Aeldari knowledge, pursues the Webway despite warnings, and appoints Dorn to lead its construction. 164 205 216

Ascension and Imperial Expansion

Guilliman becomes the new Master of Mankind and oversees an Imperium that expands beyond the Milky Way. He imprisons traitor Primarchs, develops cross-universe campaigns, cultivates Orks as weapons, and is increasingly regarded as a true god by allies and enemies alike. 272 338 453 456

Cadia and Yog-Sothoth

Guilliman leads the final campaign to reclaim Cadia, confronts Yog-Sothoth’s forces, defeats Horus’s avatar, purifies the world, and conceals the injuries he suffered to preserve the Imperium’s faith in his invincibility. 374 377 383

Notable Quotes

“My return shall make our enemies tremble and the citizens of the Imperium rejoice; the radiance of humanity shall once again shine upon this dark, starry sky.” 3

“If he lived, the Chaos Gods would die. If he died, the Chaos Gods would live.” 17

“Submit to the reforms, and they would live. Do not submit to the reforms, and they would die.” 49

“No Daemon or traitor can harm me.” 251

Trivia

• Guilliman’s adoptive father, Konor, shares his name with the Konor System. 54
• He is described as the only Primarch raised by both parents. 54
• He requires Remembrancers and artists in Imperial battle groups, viewing history and art as necessary to humanity’s progress. 243
• Guilliman intends for the Assistant Spirit to inherit access to Imperial knowledge and intervene only if humanity faces likely self-destruction. 547