Guilliman

Biodata

Feature	Value
Name	Guilliman (基里曼)
Alias(es)	Roboute Guilliman; Lord of the Ultramarines; Great Regent; “Old Thirteen” 220 358
Species/Race	Human Primarch
Gender	Male
Affiliation	Imperium of Man; Ultramarines; Five Hundred Worlds of Ultramar
Occupation/Role	Gene-father of the Ultramarines; commander and reformer of the Imperium; Great Regent 240 358
Status	Alive; awakened from stasis on Macragge 231

Background & History

Stasis on Macragge

Guilliman remained in stasis within Macragge’s Sanctum of Truth after being grievously wounded by Fulgrim. His body was kept at the brink of death by the stasis field, while Slaanesh’s Warp poison continuously afflicted his body, mind, and soul. The poison would rapidly worsen if the field were deactivated. 196 229

Gao Yi, Arch-Magos Caul, the Adeptus Custodes, and Ultramarines officers entered the Sanctum during the Red Corsairs’ assault on Macragge. Caul fitted Guilliman with the Armor of Fate and maintained his failing vital signs with Nano-Mediguns while Gao Yi purified the Warp poison. 229

Awakening and the Battle for Macragge

Guilliman awakened amid the Chaos assault, initially disoriented but able to recognize his sons and immediately assess the battlefield. He accepted the Emperor’s Sword from Gao Yi, ordered Digres and Sicarius to assemble the Ultramarines, and returned to combat. 231

His return shattered the Red Corsairs’ morale. He later led the assault on the Blackstone Fortress, personally beheading a Greater Daemon of Tzeentch with the Emperor’s Sword and permanently destroying its soul. 231 234

After Macragge was secured, Guilliman swiftly consolidated Ultramarines resources, directed the cleanup effort, and resumed command of Ultramar. He killed the Daemon Prince Vengal and agreed with Gao Yi that Macragge’s reconstruction had to be delegated so he could rally Imperial forces for Cadia. 235

Cadia Campaign

Guilliman mobilized more than one hundred vessels and over two million elite auxiliary troops from the Five Hundred Worlds for Cadia. Gao Yi entrusted the Dynasty’s Rangers and regular fleet forces to his command, acknowledging Guilliman’s superior battlefield leadership. 240

During the campaign, Guilliman commanded the loyalist fleet alongside Gao Yi and Ferrus Manus. He ordered Exterminatus on corrupted Cadia to prevent further spread of Chaos corruption, accepting the decision as a necessary sacrifice for victory. 247 248

Magnus and the Thousand Sons attempted to drag Guilliman into Tzeentch’s labyrinth. His body was nearly pulled into the Warp before the Emperor intervened, temporarily taking control of Guilliman’s body and forcing him free. 263

Return to Terra and Imperial Reform

Guilliman returned to Terra with Ferrus Manus and Gao Yi, where the High Lords attempted to intimidate the returning Primarchs with assembled fleets. Guilliman treated the display as proof that the Imperium required reform. 272

He publicly rejected the High Lords’ claim that they had preserved the Imperium, judging its present condition to be stagnant and dying. He later purged the Departmento Munitorum, removed High Lords Ilto and Kania, and supported Gao Yi’s appointment as a High Lord and Sector Governor of the Kronus Segmentum. 273 276

Over the following year, Guilliman reorganized Terra’s institutions, filled High Lord positions with trusted personnel, began revising the Astartes Codex, and introduced Primaris Space Marines with Caul’s assistance. 277

Continuing Integration of the Imperium

Guilliman’s expeditionary fleets used military force and new communication systems to impose centralized administration across resistant worlds. Numerous planetary governors were removed or executed, while worlds overtaken by Chaos corruption were subjected to Exterminatus. 347

He regarded these internal wars as the painful but necessary cost of ending entrenched local rule and strengthening Imperial cohesion. 348

Appearance

Even while frozen in stasis, Guilliman is described as possessing a noble, near-perfect appearance. He was preserved in the armor worn during his battle with Fulgrim, then equipped with the Armor of Fate upon his revival. 229 231

• Exceptionally imposing Primarch physique; physically surpasses ordinary Astartes. 231
• Retains a composed, authoritative presence even immediately after awakening. 231
• Wields the Emperor’s Sword following his resurrection. 231
• Uses the Armor of Fate, created by Caul to sustain and protect him after stasis. 229 231

Personality

Guilliman is intensely practical, duty-driven, and decisive. After awakening from millennia of stasis, he rapidly shifted from confusion to command, prioritizing the defense of Macragge and then the wider threat at Cadia. 231 235

He is deeply dissatisfied with the modern Imperium’s stagnation, corruption, and fragmented governance. Rather than bargain with the High Lords, he evaluates their competence directly and favors replacing ineffective institutions with capable, loyal personnel. 273 276

His pragmatism can be severe. Guilliman accepts sacrifices such as Exterminatus when he believes they are required to deny Chaos a strategic victory, and he is willing to use force against Imperial factions that obstruct reform. 247 347

Despite his skepticism toward the Ecclesiarchy’s deification of the Emperor, he recognizes the Imperium’s need for hope and permitted Terra’s public celebration of the Primarchs’ return. 272

Abilities & Skills

Primarch Physiology and Combat

Guilliman’s physical ability vastly exceeds that of standard Astartes. Immediately after awakening, he fought traitors barehanded, and he later killed the Daemon Prince Vengal in a direct confrontation. 231 235

• Can fight Astartes-level opponents without a weapon. 231
• Personally led assaults against Greater Daemons and Chaos forces on Macragge. 234
• Uses the Emperor’s Sword to inflict permanent destruction on daemonic souls. 234
• Faced significant difficulty against Extinction Relics whose predictive combat systems and self-repairing armor could anticipate his movements. 361

Command and Administration

Guilliman is an exceptional commander and organizer, capable of coordinating massive forces and rapidly processing operational information. 235 240

• Issued large numbers of fleet commands simultaneously during the approach to Cadia. 248
• Mobilized over one hundred warships and more than two million elite troops from Ultramar. 240
• Integrated Ultramarines resources and organized Macragge’s post-battle recovery within days of awakening. 235
• Directed reforms of Imperial administration, military organization, communications, and planetary governance. 277 347

Strategic Judgment

Guilliman prioritizes long-term Imperial survival over conventional honor or political convenience. 235 247

• Ordered Exterminatus on Cadia to contain Chaos corruption. 247
• Delegated Macragge’s reconstruction in order to concentrate on the more urgent Cadian front. 235
• Supported the use of Gao Yi’s technologies as tools for reforming Imperial logistics, communications, and governance. 240 277
• Forced the Navigator Houses into Imperial control when their autonomy threatened the Imperium’s strategic needs. 358

Equipment / Weapons / Items

• Armor of Fate — A life-preserving suit created by Caul and applied during Guilliman’s awakening; it was intended to help keep him alive after the stasis field was deactivated. 229 231
• Emperor’s Sword — A divine weapon formerly held beside Guilliman’s stasis throne. It can permanently destroy daemons through the Emperor’s holy flame. 229 234
• Original battle armor — The armor Guilliman wore during his confrontation with Fulgrim, still on his body during stasis. 229

Relationships

• Gao Yi Mongert — Benefactor and strategic partner. Gao Yi purified Guilliman’s Warp poison, enabled his awakening, fought beside him at Macragge and Cadia, and provided technologies Guilliman sees as vital to reforming the Imperium. 229 231 240
• The Emperor — Father and ultimate authority. The Emperor directed efforts to awaken Guilliman, later intervened to save him from Tzeentch’s labyrinth, and tasked him with supervising Gao Yi’s growing influence. 223 263 275
• Ferrus Manus — Brother and ally. Guilliman welcomed Ferrus’s return in a mechanical body, fought alongside him during the Cadian campaign, and coordinated with him during the return to Terra. 245 248 272
• Belisarius Caul — Long-standing ally who created the Armor of Fate and helped sustain Guilliman during the purification process. 229 231
• Digres — Chief Librarian of the Ultramarines who helped grant Gao Yi’s party access to the Sanctum and assisted in awakening Guilliman. 223 228 231
• Sicarius — Ultramarines officer who guarded the awakening process and was among the first of Guilliman’s sons to reunite with him. 229 231
• Marneus Calgar — Loyal Ultramarines commander who returned to Macragge after Guilliman’s awakening and assisted with the Primarch’s renewed command. 235 240
• Magnus — Daemon Primarch adversary who attempted to capture Guilliman for Tzeentch by pulling him into the Warp. 262 263
• Fulgrim — Traitor brother whose wounds and Slaaneshi poison left Guilliman in near-fatal stasis. 196 229
• Vengal — Daemon Prince of Tzeentch killed by Guilliman during the defense of Macragge. 235

Notable Quotes

“I have not seen a better Imperium since waking, but rather one that is stagnant and dying.” 273

“Alas, Calgar, inform the Imperium of my return!” 235