Mortarion

Biodata

Feature	Information
Name	Mortarion (莫塔里安)
Alias(es)	Lord of Death; Death Lord; Pale Lord; Grim Reaper; Sun Lord 134 469 700
Species/Race	Human Primarch; later a Warp-linked Daemon Primarch 646 469
Gender	Male
Affiliation	Fourteenth Legion, the Death Guard; Barbarus 1 159
Occupation/Role	Primarch and Legion Master of the Death Guard; later overall commander of a Great Crusade expedition 158 700
Status	Active; continues to exist as the Pale Lord while attempting to reclaim his form 469
First Appearance	Chapter 1

Power Progression

Stage / Realm / Level	Chapter	Notes
Primarch of the Death Guard	1	Commands the Fourteenth Legion after Barbarus and leads it during the Great Crusade.
Psychic awakening	459	Realizes he is a Psyker while resisting Nurgle's influence; his body begins producing gray-white mist.
Pale Lord / marked Psyker	469	Develops wings, gains flight, and states that Hades marked him; can be summoned through seven deaths.
Authority of Death and Disease	512	Has torn authority from Nurgle and possesses preliminary authority over [Death] and [Disease].
Eldar Grim Reaper authority	726	A portion of the Eldar Grim Reaper's authority merges with him, further distancing him from Nurgle's domain.

Background / History

Mortarion was scattered to Barbarus during the Emperor's Primarch experiments. There, the alien overlord Nac'Lare took him in as a foster son and used him as a weapon. His childhood consisted of deliberately impossible trials: climbing through acid rain, fighting beasts before he could stand, and being thrown into poisonous swamps among diseased sorcerous corpses. Nac'Lare repeatedly saved him at the brink of death only to continue the abuse. 1 6

For much of his early life, Mortarion's sole ambition was to become strong enough to kill Nac'Lare. Contact with humans—particularly Hades and Typhon—changed that purpose. He recognized the enslaved lowlanders as his kin and redirected his hatred into rebellion against Barbarus's mountain lords. 6

Mortarion led the people of Barbarus in overthrowing their oppressors. In the final confrontation with Nac'Lare, however, the Emperor killed the alien overlord first, leaving Mortarion with lasting resentment over having his revenge taken from him. Mortarion subsequently assumed command of the Fourteenth Legion, which became the Death Guard; Barbarus's people were permitted to join it. 1

His early campaigns reflected his fixation on liberation. At Ghalaspar, he ordered a rapid direct strike against the central hive to destroy a tyrannical regime, but the victory caused severe Death Guard losses. Hades forced Mortarion to confront the need for reconstruction, recruitment, and long-term Legion management after conquest. 128 134

Appearance

Mortarion is a towering, gaunt, pale Primarch whose face is usually concealed beneath a hood and respirator. His presence is accompanied by poisonous fumes and the sound of labored breathing, making him appear perpetually sick or dying. 159 297

• Pale, dull bone-white armor with visible marks and no unnecessary ornamentation. 297
• Censers fixed to his armor emit pungent poisonous gas that obscures his face. 159
• Sunken eye sockets hidden in the darkness of his hood. 297
• Carries a massive scythe as his signature weapon. 90 134
• In his later Pale Lord form, possesses moth-like wings and produces dense white mist; skull-like voids form along the mist's edges. 469 549
• His transformed body is described as skeletal, insect-like, and difficult to reconcile with ordinary human appearance. 644 699

Personality

Mortarion is defined by rebellion against oppression. Nac'Lare's abuse left him unable to submit willingly to figures representing power and dominion, while his discovery of Barbarus's enslaved humans gave that defiance a broader purpose: liberation through the destruction of tyrants. 6

He is blunt, suspicious, and uncomfortable with extravagance, social ritual, and displays of wealth. He dislikes gold, jewels, ornate ceremonies, and what he sees as hollow demonstrations of status. His oppressive demeanor often makes others fear approaching him. 261 263

Mortarion is intensely cautious around psychic phenomena, xenos prophecies, and Chaos. Although he initially rejects Psychic Power, he later becomes a Psyker himself and develops numerological methods for identifying danger and possible futures. 158 285 454 459

Despite his severity, he considers the Death Guard his sons and accepts responsibility for them. He asks them to kill him should he ever yield to corruption, and later chooses to destroy the Endurance rather than risk their lives against his ascended counterpart. 84 92

Abilities & Skills

Primarch Physiology

Mortarion survived Barbarus's poisonous environment from childhood and endured conditions designed to kill him.

• Resists toxic fumes, acid rain, diseased swamps, and hostile death-world creatures. 1 6
• Possesses the physical strength and combat instincts expected of a Primarch. 91
• Remains resilient after severe injury and prolonged Warp-related ordeals. 726

Scythe Mastery

Mortarion is a highly accomplished close-combat fighter whose preferred weapon is a massive warscythe.

• Duels his corrupted future self using complex scythe techniques unknown to most Death Guard. 91
• Employs direct, efficient strikes rather than prolonged battlefield theatrics. 337
• Uses scythe combat against fellow Primarchs, including Konrad Curze and Horus. 303 549

Toxic Warfare and Chemistry

Mortarion weaponizes the same poisons that shaped his life on Barbarus.

• Uses toxic censers and poisonous gas to obscure his position and discomfort enemies. 159 165
• Develops altered atmospheric poisons from Barbaran crystals; he had created a fifty-first new type of gas by one documented laboratory session. 198
• Leads Death Guard operations through poisonous fog, phosphorus fire, and contaminated battlefields. 456 466

Psychic Power and White Mist

Mortarion eventually accepts that he is a Psyker, though he remains wary of Warp power.

• Produces white or gray-white mist that can engulf battlefields and conceal movement. 459 549
• Uses Psychic Power to manipulate Blackstone polarity during rituals. 627
• Can perceive danger and latent destinies through numerology. 454
• His psychic state can become unstable under stress, isolation, or Warp influence. 537 730

Authority of Death

As the Pale Lord, Mortarion's power is tied to death, disease, oblivion, and the final dissolution of living things.

• Holds preliminary authority over [Death] and [Disease] taken from Nurgle. 512
• Describes his form of death as final annihilation: flesh reduced to nothing, bones withered, and only ashes remaining. 772
• Can be called through seven deaths and descend with power. 469
• Cannot properly wield authority over [Life]; an attempt to claim it through Isha's power fails because death conflicts with new life. 644

Command and Strategy

Mortarion commands the Death Guard through decisive, high-risk offensives and defensive vigilance.

• Favours rapid decapitation strikes against oppressive leadership structures. 128
• Learns to account for casualties, reconstruction, recruitment, and logistics after Ghalaspar. 134
• Orders fleet countermeasures and personally leads boarding actions during the attack on the Endurance. 90
• Recognizes traps and prioritizes Macragge's defense over joining Angron and Guilliman at the spaceport. 447 454

Equipment / Weapons / Items

• Oblivion — warscythe wielded during the confrontation with Mortarion's corrupted future self. 90 92
• Obituary — massive scythe resting across Mortarion's lap after the Ghalaspar campaign. 134
• Annihilation — scythe carried during his encounter with Ferrus Manus. 341
• Corpse Light — pistol used in combat against Eldar forces. 337 341
• Respirator mask and censers — maintain his poisonous aura and conceal his expression. 159 297
• Lantern containing Nac'Lare's soul — attached to Oblivion in one corrupted future manifestation. 90

Relationships

• Nac'Lare — alien foster father and abuser; Mortarion's childhood hatred of him became the foundation of his rebellion. 1 6
• Hades — old companion from Barbarus, trusted subordinate, and frequent critic of Mortarion's decisions; Hades helps redirect him toward reconstruction and long-term planning. 6 134 370
• Typhon / Calas Typhon — early contact on Barbarus and later Death Guard subordinate; Mortarion eventually recognizes failures in his handling of Typhon. 6 323
• The Death Guard — Mortarion's Legion and sons; he treats them with paternal concern and demands they kill him if he falls to corruption. 6 84
• The Emperor — rescued Mortarion from Barbarus and killed Nac'Lare in the final confrontation, leaving Mortarion resentful and distrustful. 1
• Roboute Guilliman — brother with whom Mortarion shares a wary, often tense relationship; Guilliman later seeks his forgiveness. 438 726
• Perturabo — brother and uneasy battlefield collaborator; their first meeting is marked by strategic disagreement and mutual irritation. 159 165
• Sanguinius — brother capable of restraining Mortarion; Mortarion later fights him during a dispute over Warp-related danger. 368 731
• Vokes — Death Guard son who remains devoted yet conflicted by Mortarion's transformation and decisions. 466 627 807

Story Role / Major Arcs

• Rebellion on Barbarus — escapes Nac'Lare's influence, identifies with enslaved humanity, and leads resistance against the alien lords. 1 6
• Lord of the Death Guard — commands the Fourteenth Legion through the Great Crusade while pursuing his personal ideal of liberation. 1 134
• Ghalaspar Campaign — liberates Ghalaspar through a costly direct assault, then begins learning the responsibilities of postwar rule. 128 134
• Battle of the Endurance — confronts a corrupted future version of himself, refuses Nurgle's gifts, and detonates the flagship to deny the enemy victory. 90 91 92
• Macragge Crisis — assists Guilliman during a Warp-related emergency, fortifies Macragge, and attempts to prevent a predicted disaster. 438 447 454
• Pale Lord Transformation — becomes a winged Psyker connected to death and disease while resisting Nurgle's attempts to reclaim him. 458 459 469
• Godslaying Plan — seeks to weaken and ultimately destroy Nurgle without becoming the replacement Plague God; pursues the authority of [Rebirth] as part of the plan. 627 628
• Sun Lord Expedition — serves as overall commander of a later Great Crusade expedition after wounding a false god. 700

Alternate Versions

• Corrupted / Ascended Mortarion — a plague-ridden future self aligned with Nurgle who attacks the Endurance, offers Mortarion corruption, and fights with superior daemon-enhanced strength. 90 91 92
• Renegade Mortarion — an alternate version associated with pacts to the Chaos Gods and the sacrifice of his own sons. 807 892
• Reaper Mortarion — another version focused on battle preparations and described separately from Renegade Mortarion. 892
• [Mortarion] — an alternate-destiny Mortarion who serves as an envoy from another empire and fears Hades's visit. 830

Notable Quotes

“I wouldn't want that kind of strength even if you gave it to me!” 91

“I am trying to reclaim my form. When Malcador believes I won't unconsciously harm mortals, I will go out.” 469

“First, I agree with everything Hades has said. Second, I once led the Death Guard into the Warp and severely wounded a false god.” 700