Astartes

Biodata

Feature	Details
Name	Astartes (阿斯塔特)
Alias(es)	Space Marines 1 2
Species/Race	Genetically augmented humans, created through extensive surgical implantation and gene-seed use 85 116
Gender	Male and female members are depicted among later Astartes reinforcements 322
Affiliation	Imperium of Man; represented by Chapters including the Crimson Angels, Mako Chapter, Blood Angels, Ultramarines, and others 82 192 322
Occupation/Role	Super-soldiers, boarding troops, planetary assault forces, fortress commanders, and military officers 173 195 331
Status	Active 353
First Appearance	Chapter 1: “Charge! I Won't Keep This Glory to Myself!” 1

Power Progression

Stage / Realm / Level	Chapter	Notes
Standard Power Armour Astartes	2	Helmet systems mark enemies behind cover; bolter squads use coordinated suppressive fire and veteran warriors operate heavy weapons.
Nano Core integrated through the black carapace	116	Implanting the Nano Core into the black carapace proves safer and more practical than direct bodily implantation; the carapace's nerve bundles link it to the central nervous system.
Nano Vanguard Astartes	117 118	Nano-biological cells spread through Power Armour, reinforcing gaps and generating an external armoured configuration; anti-gravity systems enable flight. Sustained flight rapidly drains energy, requiring an armour energy injection after roughly 18 hours under test conditions.
Shark-pattern Nano Core configuration	138 143	Mako Chapter variants add back-mounted engines, directional micro-nozzles, and monomolecular wrist and ankle blades for aerial maneuvering and “Shark Bite” close-combat tactics.
Multi-Chapter Nano Core deployment	192 197	Apothecaries and Tech-Sergeants learn implantation procedures; several Chapters equip their Astartes with Nano Cores, revised tactics, and expanded weapon supplies.

Background / History

Astartes are made from selected recruits through organ transplantation and gene-seed implantation. The process has a severe attrition rate: Chapter Master Korlafis estimates that only about 1,000 of 3,000 recruits would survive surgery and become operational warriors 85. Failed but surviving candidates may instead enter the combat sequence in attendant-model Blaze Armour, though such personnel remain rare 121.

Early in the novel, Crimson Angel Astartes conduct boarding actions against Chaos cultists, Noise Marines, Daemonettes, and a Greater Daemon of Slaanesh. Their ordinary battlefield superiority is challenged by Chaos sonic weapons, which can disable Power Armour systems and leave even wounded Astartes vulnerable in close combat 2 4 6.

Appearance

Astartes are depicted as towering armoured warriors whose heavy Power Armour makes them resemble “tall steel giants” to ordinary humans 323. Their armour is built around the black carapace, a surgically integrated interface layer that connects the warrior's body and nervous system to their equipment 116.

• Helmet visors can identify enemies concealed behind cover 2.
• Standard armament is carried on the armour or belt, allowing rapid transitions between bolters, chainswords, pistols, and combat daggers 9.
• Nano Vanguard configurations add a taller, more streamlined outer layer of nano-armour over conventional Power Armour 117.
• The demonstrated Nano Vanguard pattern has dark red armour, flowing blue markings, a flaming pentagram chest emblem, reinforced gauntlets, and a triangular sensor-equipped helmet 117.
• Mako Chapter Nano Core users may bear shark-like helmets, back fins, engine nozzles, and monomolecular blades extending from the forearms and ankles 138 178.

Culture and Conduct

Astartes are trained for extreme discipline, rapid coordination, and relentless offensive action. Even when ordinary soldiers are present, Astartes squads communicate briefly, move in formation, and divide corridors or boarding routes into covered firing lanes 2 353. Veterans such as Altrance are portrayed as having spent more than a century in uninterrupted combat, refining marksmanship and battlefield skill 2.

Their conduct is not uniform. Some remain fervently loyal to the Emperor, while others are driven by Chapter survival, resource shortages, or private ambitions 15 53. After a century of expansion, many Astartes—including Ultramarines in administrative roles—become implicated in corruption, with Chapters hoarding money, personnel, equipment, and fleets for their own development 331.

Abilities & Skills

Gene-Forged Physiology

Astartes possess augmented strength, speed, endurance, and resilience beyond ordinary humans.

• Applications: They can sprint with the force of high-speed tanks, sever tank cannons with chainswords, and kill unarmoured opponents with a single blow 9 32 353.
• Applications: Standard small arms may fail to harm them; conventional bullets can ricochet from their Power Armour 29 32.
• Limits: Heavy weapons, anti-aircraft guns, tank shells, powerful explosives, and specialised xenos weapons can damage or kill them 29 36 90 302.
• Limits: Damage to Power Armour can become permanent when repair resources are inadequate 302.

Bolter and Close-Combat Proficiency

Astartes combine ranged firepower with decisive melee attacks.

• Applications: Bolter volleys can shatter infantry formations, breach shields, and destroy mechanical targets with armour-piercing rounds 2 36 133.
• Applications: Chainswords, combat daggers, Power Swords, and Power Claws are used to breach armour and finish enemies at close range 9 32 227.
• Applications: They can shift between firing and melee while advancing through confined warship corridors 353.
• Limits: Ammunition depletion remains a serious concern during prolonged boarding operations 226 353.

Boarding and Planetary Assault

Astartes frequently serve as assault troops during void warfare and surface invasions.

• Applications: They deploy by assault boats, boarding torpedoes, drop pods, Thunderhawk gunships, and direct high-altitude jumps 6 173 231 323.
• Applications: Nano Core engines allow some Astartes to travel independently through space, hide behind torpedoes, intercept enemy assault craft, and board warships without conventional landing vehicles 173 197 198.
• Applications: Nano-armour and back engines support single-soldier planetary drops, including controlled braking shortly before impact 159.
• Limits: Boarding actions remain costly against prepared shipboard defences, traps, melta mines, automated weapons, and fortified Chaos Astartes 174 177.

Nano Core Integration

Nano Cores substantially enhance compatible Astartes but are not an inherent part of the standard transformation.

• Applications: Nano-biological cells reinforce Power Armour joints and gaps, form external armour, provide sensors, and can be deactivated to restore the armour's conventional appearance 117.
• Applications: Anti-gravity systems and engine vents grant aerial mobility despite an Astartes' mass 118.
• Applications: Nano-armour can form shields, camouflage its colour, support monomolecular blades, and improve maneuverability in void combat 126 138 197.
• Limits: Nano-shields and nano-armour can be penetrated by sufficiently powerful laser fire 159.
• Limits: Nano Core use requires energy support, maintenance, and specialised Apothecary monitoring; active nano-cells may need to be injected as an emergency energy supply 118 141.

Command and Force Multiplication

Astartes are employed as more than frontline warriors.

• Applications: Veteran Astartes command fortress worlds, lead tactical strikes, and coordinate strategic deployments during major wars 195.
• Applications: Later reforms reassign Astartes as basic officers within Imperial citizen legions to strengthen the wider military 331.
• Limits: Chapter-based command structures can foster rivalry, administrative obstruction, and resource hoarding 331.

Equipment / Weapons / Items

• Power Armour — Standard protective armour linked to the wearer through the black carapace 116.
• Bolter — Primary firearm; used in single shots, sustained volleys, and boarding actions 2 353.
• Chainsword — Common melee weapon effective against infantry, armour, and vehicle components 32.
• Combat Dagger — Backup melee weapon used in rapid close-quarters attacks 9 32.
• Terminator Armour — Heavy tactical armour fielded by veterans and fortress garrisons 9 195.
• Boarding Shield / Storm Shield — Defensive shields used against flames, heavy fire, and during assaults 90 180.
• Melta weapons and melta bombs — Breaching and anti-armour equipment used in boarding and void operations 6 60 173.
• Nano Core — Advanced implant that generates nano-armour and enables engine-assisted movement for compatible users 116 117.
• Servitor skulls — Support units capable of carrying ammunition feeds and assisting with reloads 192.
• Magnetic Confinement Energy Cannon — Advanced heavy weapon issued alongside Nano Core enhancements 192.

Relationships

• The Emperor — A central object of loyalty and religious devotion for many Astartes; battle cries and armament blessings are commonly made in His name 6 178.
• Tie Hui — Astartes leader who drives Nano Core adoption, inter-Chapter expansion, and later military reorganisation 82 116 331.
• Tyberos — Mako Chapter Master who develops and employs shark-themed Nano Core tactics in void and planetary operations 138 143 192.
• Archmagos Yuramills — Adeptus Mechanicus leader whose research supports Nano Core integration, battlefield equipment, and Astartes implantation procedures 116 141 192.
• Imperial citizens and Astra Militarum — Often serve as auxiliary troops under Astartes command, while later reforms place Astartes directly within citizen-legion officer structures 93 331.
• Chaos Astartes — Frequent opponents, including Noise Marines, Iron Warriors, Khorne Berserkers, and Thousand Sons warbands 3 174 198 226.

Story Role / Major Arcs

Chaos Boarding Operations

Crimson Angel Astartes begin the novel fighting Chaos forces aboard starships and on besieged worlds. Their operations escalate from cultist suppression to battles with Noise Marines, Daemonettes, and a Greater Daemon of Slaanesh 2 4 6.

Industrial Recovery and Chapter Expansion

Resource shortages lead Chapters to pursue industrial cooperation, weapon production, mech development, recruitment programmes, and access to gene-seed cultivation technology 53 81 97. The Crimson Angels later receive major support, equipment, warships, and recruitment capacity for reconstruction 85 100.

Nano Core Military Transformation

Research into the Sacred Ark and Aesir-derived technology produces Nano Core-equipped Astartes. Initial experiments lead to Nano Vanguard armour, then to specialised Mako Chapter configurations capable of independent space travel, aerial combat, and rapid boarding assaults 116 117 138 173.

Wars Against Chaos and Xenos

Nano Core-equipped Astartes engage Iron Warriors, Khorne warbands, Thousand Sons, Necrons, Devouring Beasts, and the Taotie. Their enhanced mobility changes boarding warfare, but they continue to suffer losses in protracted fleet and ground engagements 174 226 319 353.

Reorganisation of the Astartes System

After widespread corruption emerges among Chapters, Tie Hui begins restructuring the military. Astartes are reassigned into Imperial citizen legions as officers, while elite groups remain available for decapitation strikes, raids, and special operations 331.