Kasgar

Biodata

Name	Kasgar Sherlock
Alias(es)	Hero Kasgar; Nobi Kasgar
Species/Race	Human; later a Space Marine whose body is sustained by psychic flame
Gender	Male
Affiliation	Sons of the Emperor; Sons of the Phoenix
Occupation/Role	Acting Prefect of the Third Legion; Chief Lord Commander and Sixth Company Captain; Chapter Master of the Sons of the Phoenix
Status	Active 273
First Appearance	Under the Skies of Chemos 1

Power Progression

Stage / Realm / Level	Chapter	Notes
Space Marine modification	30 33	Wakes from extensive augmentation with enhanced physical ability and senses; after the process is complete, his swordsmanship rivals the Third Legion’s captains.
Early Psychic Flame	81 95	Golden-red cracks manifest along his right arm as his psychic power awakens. The flame purges daemons and Warp-caused bodily abnormalities, but initially lacks direct offensive power and cannot penetrate psychic shields alone.
Centaur manifestation	113	Uses a summoning ritual connected to the Centaur gold ring; the golden centaur’s radiance pacifies psychic storms, heals civilians, and eliminates the Soul-Devouring Swarm’s effects.
Primarch-class psychic output	213	With the flame burning in his chest and the Armor of Fate preventing his body from detonating, he can contend with Primarch-level sorcerers and high-tier Primarchs.
Flame-sustained Warp body	266	After evolving in Nurgle’s Garden, his physical cracks vanish and his form becomes sustained by psychic flame, removing his dependence on armor for bodily stability.
Fully realized power	273	A mysterious entity tells him he has completely obtained his power, while emphasizing that his potential remains infinite.

Background

Kasgar transmigrated to Chemos, arriving in Karax Fortress as a member of the Sherlock family. Initially confined to his manor, he learned that his family had arranged a political marriage for him and sought out the intended bride himself. The woman was Fulgrim: Karax’s legendary engineer and ruler, whom Kasgar recognized as a Primarch and the figure destined to fall to Slaanesh. 1 2

He first intended to refuse Fulgrim and live quietly to avoid Chaos’s attention. After seeing Fulgrim’s concern for Chemos’s children and hearing her desire to improve humanity’s future, he chose instead to help prevent her fall and save the IIIrd Legion. Fulgrim accepted his feelings and his gift of a Centaur gold ring, which became the symbol of their relationship. 2 3

For five years, Kasgar studied swordsmanship, mechanics, and governance under Fulgrim while training relentlessly in his spare time. During this period, his physical readings remained those of an average twenty-year-old human; he did not visibly age, much like Fulgrim. 12 19

Kasgar later underwent customized Space Marine augmentation. The Emperor personally influenced the process, while Melusine performed major modifications. His resulting abilities and combat skill earned him an appointment as Acting Prefect of the Third Legion. 28 29 33

Appearance

Kasgar is described as handsome from his earliest days on Chemos. Following his augmentation, he becomes a towering Space Marine; in armor, he stands nearly three meters tall. His face remains almost unchanged even after ten thousand years. 1 215 229

• Golden-red cracks appeared along his right arm when his psychic power awakened. 70 81
• Wore exceptionally agile artificer armor, modified by Fulgrim from Expeditionary Power Armor and fitted with optical camouflage and dual-tech circuitry. 33
• Later used the purple-and-gold Armor of Fate, created to contain his unstable psychic power while allowing him to wield it. 213 229
• After evolving in Nurgle’s Garden, he no longer possessed a conventional physical body; his form was maintained by psychic flame. 266

Personality

Kasgar is determined to alter the future despite knowing the danger involved. His decision to remain beside Fulgrim, train under her, become a Space Marine, and enter the Great Crusade all stem from his resolve to save her and the Emperor’s Children from Chaos. 3 12 33

He is protective of civilians and children. While fleeing Sulfa forces, he upholds his promise to protect refugees despite being pursued by a psyker, and he risks himself to find treatment for the unconscious Corleon. 15 16

Kasgar is deeply distrustful of Warp entities and psychic excess, having been deceived by entities that presented themselves as benevolent spirits. He warns others about the danger of Warp influence, though Magnus later exposes that Kasgar himself has used rituals to communicate with Warp entities when necessary. 30 105 113

He often uses humor, improvisation, and unconventional solutions under pressure. His willingness to accept humiliation for Fulgrim’s plans contrasts with his resentment at being treated as her “personal male pet” or attendant. 64 66

Abilities & Skills

Space Marine Combat Ability

Kasgar’s customized augmentation grants him physical ability beyond normal Astartes, while his swordsmanship reaches the standard of elite IIIrd Legion captains. 33

• Defeated Abdelon in a duel by exploiting the extendable shaft of his Phoenix spear. 58
• Defeated the Iron Hands’ Warmaster Philus by destroying the controlling Medusa’s Blade. 210
• Fought Horus on Istvaan III, though Chaos-enhanced power overwhelmed him before Konrad Curze intervened. 210
• Was regarded as stronger than a Primarch during the Nucerian arena crisis. 140

Psychic Flame

Kasgar wields a golden-red flame that is especially effective against Chaos corruption, Warp entities, and Warp-derived ailments. 95 105

• Purifies daemons and removes Warp-caused bodily abnormalities. 95
• Cured Thousand Sons afflicted by the Flesh Change. 107
• Removed Slaanesh’s mark from Eldar Corsairs, allowing Waldra and other Void Dreamers to join him. 219
• Healed the poisoned wound on Horus’s body and soul, though the Chaos Gods resisted the attempt. 206
• Cleansed the corruption of the Emperor-class Titan Iron Skull and freed its Machine Spirit. 246
• Could not destroy or purify Laerda despite his later increase in power. 248

Psychic Senses and Shapeshifting

Kasgar can perceive subtle psychic disturbances and manipulate his appearance through psychic power. 166 215

• Detected Corvus Corax despite the Raven Lord’s invisibility. 166
• Sensed hostile presences hidden in darkness and behind sealed hatches. 88
• Altered his nearly three-meter armored form into that of a thin human worker to infiltrate a starport. 215
• Manifested as a golden centaur to guide a lost trade ship out of a Warp fluctuation. 217

Prophecy and Future Knowledge

Kasgar possesses foreknowledge of major events and has openly described it as prophecy. 59

• Correctly foretold the Emperor’s arrival on Chemos. 59
• Used his knowledge of future tragedies to intervene for Aqua Duna, Angron, and other Primarchs. 59 135
• Lost reliable predictive ability after reaching the 41st Millennium, relying instead on intelligence from his allies. 245

Strategy, Engineering, and Command

Fulgrim trained Kasgar in mechanics and governance, while his battlefield methods favor misdirection, remote weapons, and information control. 12 55

• Used electromagnetic jamming, remote-controlled flying devices, Mechanical Spider II Exploders, and missiles to overwhelm Adrol’s force during an exercise. 55
• Led the Sixth Company as Chief Lord Commander of the Sons of the Emperor. 59
• United pirate fleets, Tiger Claws veterans, and Eldar Corsairs into a force capable of confronting Lorgar’s disguised fleet. 219 221
• Founded the Sons of the Phoenix rather than attempting to reform the corrupted Emperor’s Children directly. 236

Equipment

• Centaur gold ring — A gold ring bearing a centaur design, given to Fulgrim as Kasgar’s symbol of their shared ideals and relationship. Its meaning later exposes Sabazius’s impersonation of Kasgar. 3 81
• Artificer armor — A lighter, agile suit personally modified by Fulgrim, with optical camouflage and dual-tech circuitry. 33
• Armor of Fate — Power armor designed by Belisarius Cawl and Melusine to stabilize Kasgar’s psychic flame and prevent catastrophic bodily detonation. 213 236
• Zhanli — A Power Sword gifted by Ferrus Manus. 32
• Phoenix spear — An extendable spear with a Disintegration Field; its concealed extending shaft secured Kasgar’s duel victory over Abdelon. 58
• Ignition pistol — A finely made sidearm forged and gifted by Fulgrim, preserved by the Sons of the Emperor for ten thousand years. 245
• Severance — A power weapon personally forged by Fulgrim, capable of cleaving enemies with or without its Disintegration Field active. 245
• Master-crafted motorcycle — Used during his escape from Sulfa pursuers while escorting refugees. 15

Relationships

• Fulgrim — Fiancée, wife, teacher, and central motivation. Kasgar dedicates himself to saving her from Slaanesh, later searches for her fragments across the galaxy, and finally resurrects her through psychic flame. 3 81 248 273
• The Emperor — Father-in-law by Kasgar’s marriage to Fulgrim and a powerful but enigmatic patron. The Emperor trusts Kasgar with retrieving his lost human fragments and exploiting Vashtorr’s search for a key artifact. 19 272 273
• Melusine — Chief Apothecary, body modifier, and longtime subordinate. She helps perform Kasgar’s augmentation and later reunites with him to advance the Sons of the Phoenix’s Trueborn project. 29 30 237 242
• Belisarius Cawl / Dora Cawl — Awakener and technological ally. Cawl designed the Armor of Fate and supplies recruits and support for the Sons of the Phoenix. 213 236
• Yriel — Eldar Warlock and Corsair ally. Yriel initially believes Kasgar is Asuryan reincarnated, then joins his fleet and assists his missions through the Webway. 87 135
• Magnus — Psychic ally and ideological opponent. Kasgar cures Magnus’s Flesh-Changed sons but repeatedly urges caution regarding Warp research. 107 113
• Angron — Kasgar travels to Nuceria to rescue Angron from the arena and prevent the implantation of the Butcher’s Nails. 135 148
• Otis — Chapter Master of the Crimson Scorpions and a later ally. Otis recognizes Kasgar as the ancient hero and provides information about his intended awakening. 221
• Laerda — A serpentine manifestation of Fulgrim’s negative emotions. Kasgar keeps Laerda alive because it may lead him to Fulgrim’s scattered fragments. 248

Story Role / Major Arcs

Chemos and the Great Crusade

• Arrives on Chemos, meets Fulgrim, and abandons his original plan of hiding from Chaos in favor of preventing Fulgrim’s corruption. 1 2 3
• Trains under Fulgrim, undergoes Space Marine augmentation, and enters the Great Crusade as Acting Prefect of the Third Legion. 12 33
• Wins command of the Sons of the Emperor through a formal competition and becomes Chief Lord Commander and Sixth Company Captain. 54 58 59
• Builds alliances with Eldar Corsairs and the Thousand Sons while using his psychic flame to counter Chaos influence. 87 107

The Great Heresy

• Rescues Angron from Nuceria and prevents the Butcher’s Nails from defining her future. 135 148
• Battles Chaos corruption across the Great Crusade, including the Laerda threat surrounding Fulgrim. 186 188
• Defeats Philus on Istvaan III but is unable to overcome Chaos-empowered Horus before Curze teleports him away. 210

Ten Thousand Years Later

• Awakens in the 41st Millennium, where the Imperium considers Hero Kasgar dead and treats his return as a destabilizing secret. 214 221
• Recruits pirate factions, Eldar Corsairs, and Tiger Claws veterans in the Maelstrom to prevent an assassination plot and confront Lorgar. 219 220 221
• Returns to Chemos, discovers the degenerate state of the Sons of the Emperor, and chooses to create the Sons of the Phoenix instead of rebuilding the old Chapter. 233 235 236
• Reunites with Melusine, begins Trueborn conversion, and seeks the equipment and industrial capacity needed to build his new Chapter. 242 243

Search for Fulgrim and the Imperium’s Future

• Learns that Laerda is a manifestation of Fulgrim’s negative emotions and begins retracing their Great Crusade path to recover Fulgrim’s fragments. 248 249
• Becomes a celebrated savior after cleansing Parmenio and returns openly to Terra as Hero Kasgar. 266 270 272
• Accepts responsibility for confronting the Imperium’s corruption, the Ork Empire, and the recovery of the Emperor’s lost humanity. 271 272 273
• Reunites the fragments of Fulgrim and restores her human form after ten thousand years apart. 273

Notable Quotes

“I have the Centaur gold ring.” 81

“Also, I am not a god.” 242

“Now, who is willing to follow me—once more, on an expedition?!!” 270

Trivia

• A gilded Sagittarius statue was erected in Karax Fortress to commemorate Kasgar and Fulgrim’s relationship. 12
• Sabazius failed to corrupt Kasgar partly because Kasgar repeatedly invoked the Centaur gold ring until the daemon became frustrated. 81
• Kasgar’s Centaur-associated power became so widely believed that a physical Warp entity representing the Centaur gold ring manifested. 114
• Although Eldar repeatedly identify him with Asuryan, Kasgar rejects being treated as a god or reincarnation. 87 242 273