Space Marines

Biodata

Feature	Details
Name	Space Marines (星际战士)
Alias(es)	Star Space Marines
Species/Race	Genetically enhanced humans
Gender	Mixed; the force includes female soldiers 438
Affiliation	Lord of the Stars; Star Army
Occupation/Role	Elite heavy infantry, boarding troops, and assault force
Status	Active
First Appearance	Chapter 17: “Gene Compatibility”

Power Progression

Stage / Realm / Level	Chapter	Notes
Compatibility-qualified candidate	17	Candidates require at least 70% compatibility with the enhancement serum. Gray, David, and Nack qualify at 76%, 73%, and 71%, respectively. 17
Gene-enhanced recruit	18	Enhancement drugs reinforce the skeleton, muscles, nerves, organs, tendons, and other tissues; recruits also receive a nanoscale brainwave neural amplifier for faster reactions. 18
High-gravity trainee	18	Recruits begin at fivefold gravity after three months, then adapt to twentyfold gravity over five years before moving into combat and weapons training. 18
Armoured Space Marine	19	After seven years of training, the first 178 Marines qualify for Star Power Armor and begin individual and five-man squad survival and combat training. 19

Background

Art Student developed the Space Marine program from his genetic-restoration research. His enhancement serum had a compatibility rate below 20% even among humans who had received his genetic vaccine, making pre-screening essential despite the large available population. He considered the resulting enhanced warriors capable of contending with Imperial Astartes. 16

The program began recruiting Underhive survivors who had both sufficient genetic compatibility and the will to endure years of enhancement and training. Gray, David, and Nack were among the first confirmed candidates; all chose the Space Marine path after being warned that reaching Astartes-level strength would take five to ten years. 17 12

The initial armoured contingent numbered 178 Marines, while a second batch of more than 300 continued gravity training. The training system later expanded substantially: more than 13,000 Marines had completed physical conditioning and received power armour by Chapter 115, and the force reached over 21,000 active Marines organized into 21 brigades by Chapter 318. 19 115 318

Force Growth

Period	Documented strength	Notes
First armoured batch	178	First group cleared to wear Star Power Armor after seven years of training. 19
Second trainee batch	300+	Still undergoing gravity-chamber training when the first batch received armour. 19
Expanded armoured force	13,000+	Completed physical training and entered coordinated team-combat training. 115
Active combat force	21,000+	Organized into 21 full brigades; more than 1,000 trainees completed the program annually. 318

Distinction from Astartes

Star Space Marines are distinct from Imperial Astartes Space Marines. Astartes rely on gene-seed implantation and biological modification, while Star Space Marines are created through genetic enhancement and prolonged physical conditioning. 437

Star Space Marines retain their human reproductive capacity and include women in their ranks; this difference fuels their contempt for the Astartes as altered but “incomplete” humans. 438 Their genetic-vaccine pathway is incompatible with Astartes gene-seed implantation, preventing an individual from safely receiving both systems. 440

Appearance

When equipped with standard Star Power Armor, Space Marines wear black-and-gold ceramite armour marked by a large golden five-pointed star on the chest. The armour is engraved with mountains, rivers, celestial bodies, and stars, and is paired with a bullet-resistant golden cape. 19

• A Black Carapace Combat Suit functions as a second skin beneath the armour and links the wearer’s movements to the armour’s systems. 19
• The armour’s nuclear backpack can provide stable energy output for thousands of years. 19
• Helmets provide environmental and food analysis, oxygen circulation, and long-range communications with other Marines. 19 22
• Terminator-equipped Marines stand roughly half a metre taller than ordinary Astartes, giving them a substantial reach advantage in melee. 128

Abilities & Skills

Genetic Enhancement

Space Marines undergo full-body genetic enhancement rather than a single augmentation procedure. The serum is injected into virtually every major bodily structure, allowing recruits to exceed normal human genetic limits. 18

• Bones are enlarged, thickened, and reinforced for high-gravity conditioning. 18
• Muscles, blood vessels, nerves, tendons, organs, fascia, and fat layers are enhanced together. 18
• A neural-wave amplifier improves reaction speed. 18
• Candidates below 70% serum compatibility cannot effectively become Space Marines. 17

High-Gravity Conditioning

Training is designed to make enhanced physiology usable under combat stress rather than merely increasing raw strength. 18

• Recruits progress from fivefold to twentyfold gravity during their initial training cycle. 18
• Later facilities allow gravity adjustment from normal gravity up to one hundred times normal gravity, though few can initially endure beyond twentyfold gravity. 496
• Physical training is followed by weapons proficiency, individual survival drills, and five-man squad exercises. 18 19

Armoured Mobility and Protection

Star Power Armor enhances the wearer’s strength, speed, environmental survivability, and battlefield awareness. 17 19

• Star Space Marines use agility and speed to evade attacks rather than relying solely on shields. 249
• Their shields have finite energy reserves and can be overloaded by sustained fire. 249
• Terminator Armour can carry biological radar capable of detecting and distinguishing living beings within a one-kilometre radius, though dense ship interiors can obstruct effective engagement. 127
• Later Star Space Marine power armour combines energy shields with teleportation capability, enabling rapid insertion and withdrawal. 476

Combat Doctrine

Space Marines operate as disciplined, mutually supporting assault troops rather than solitary warriors. 19 249

• Standard Underhive deployments use five-man squads: one leader and four warriors, kept within one kilometre of one another for rapid support. 22
• They combine running gunfights with rapid transitions into melee combat. 48
• Marines employ teleportation beacons to reinforce enclosed battlefields and compress an enemy’s manoeuvre space. 126
• Their training emphasizes remaining focused on mission objectives even when drawn into close combat. 48

Equipment

• Star Power Armor — Ceramite armour integrated with a Black Carapace Combat Suit, environmental systems, communications, and a nuclear-powered backpack. 19
• Assault Terminator Power Armor — Superior close-combat armour used by elite Star Space Marines; its defensive and mobility advantages allow wearers to evade fire and engage Astartes effectively. 66
• Ripper Rifles and Heavy Ripper Rifles — Primary firearms; heavy variants can tear through thick warship walls and pierce ceramite armour. 126 244
• Power Swords — Disintegration-field melee weapons commonly used alongside firearms. 48
• Plasma Pistols — Sidearms capable of killing heavily built opponents with a direct hit. 48
• Power Fists — Powered gauntlets capable of shattering Chainswords in close combat. 128
• Blast Guns and force shields — Used for crowd-clearing firepower and personal protection against massed enemies. 244
• Meltabombs — Used to cripple the legs of Kastelan Robots before close-range dismantling. 146
• Spatial-Folding Magazines — Mass-produced ammunition technology intended to allow individual Star Space Marines to overload an Astartes Terminator’s Void Shield through sustained fire. 71
• Earth Dreadnoughts — Eight-metre combat walkers piloted by qualified Star Space Marines in heavy engagements. 72

Relationships

• Lord of the Stars / Art Student — Creator and supreme commander of the Space Marine program; developed their enhancement technology and personally oversees major advances. 16 17
• Gray — Early Space Marine candidate, captain, and later Chapter Master; led Space Marines in the Underhive and trained many of their later members. 48 112 171
• Mo Tuo — Veteran Space Marine and later captain of Second Company; frequently operates alongside Gray in boarding actions and large-scale campaigns. 60 112
• Nack — Early candidate and squad leader; later serves as a captain who guides surrendered Astartes through Star Army equipment and training systems. 17 63 499
• Imperial Astartes — Initially hostile rivals. Star Space Marines generally possess superior equipment, strength, and mobility, while veteran Astartes retain greater battlefield experience and familiarity with their own warships. 128
• Earth Dreadnought pilots — Star Space Marines operate and test Earth Dreadnoughts against Ork war machines. 72

Story Role / Major Arcs

Underhive Formation and Pacification

The first Space Marines deploy under Gray’s command to hunt Genestealers, gangs, and other dangerous Underhive targets. They use motorcycles, five-man squad formations, and helmet communications to sweep Totka City and surrounding territory. 22 23

Battle for the Underhive

Gray leads Space Marines against Ork armoured forces. The Marines use superior marksmanship while advancing, then shift to Power Swords and Plasma Pistols once the range closes. 48

Conflict with the Defenders Chapter

Star Space Marines confront Imperial Astartes from the Defenders Chapter. Nack’s five-man team kills an entire tactical squad in two minutes, suffering only a shattered shoulder guard. 63

Ambush and Destruction of the Ultramarines

Gray’s forces ambush the pursuing Astartes after the latter lose their Librarius and Third Company in a teleportation disaster. Star Space Marines use stealth-capable Terminator Armour, Void Shields, artillery, and numerical coordination to annihilate Bartos’s remaining force. 65 66

Iron Wall Chapter Boarding Action

A full company of 1,000 Star Space Marines boards the Iron Wall Chapter’s battle barge against only a few hundred defenders. Their teleportation reinforcement, Terminator Armour, and heavy weapons gradually overwhelm the Astartes, though the defenders exploit their knowledge of the ship’s interior for ambushes. 126 128 129

Expansion Campaigns

Space Marines conduct planetary cleansing operations against Orks, Genestealers, daemons, and Adeptus Mechanicus forces. Their roles include drop-pod assaults, teleported ground offensives, armour-supported breakthroughs, and the seizure of strategic orbital-defense installations. 243 301 444 448

Dokra Forge World Assault

During the invasion of Dokra Forge World, Space Marines fight alongside Earth Dreadnoughts, Knight mechs, Apocalypse Tanks, fighters, and intelligent wingmen. They capture orbital-defense facilities needed to turn the world’s plasma cannons against the remaining Adeptus Mechanicus fleet. 444 445 446 448

Notable Quotes

“I am loyal only to the Lord of the Stars.” — A Space Marine rejecting a gang boss’s offer in Totka City 23