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Imperial Aquila
WARHAMMER
40,000 COMPENDIUM
⛧ TRAITORIS · M41.999BLOOD COUNTED

Chaos Gods

The heart still beats. That is why the Imperium still bleeds.

The Ruinous Powers

The eight-pointed star of Chaos, divided among the four Ruinous Powers

These dark powers are vast entities of psychic energy that dwell within the Warp, formed from the collective emotions, thoughts, and desires of mortal beings throughout the galaxy. These are not mere deities but sentient storms of consciousness, each embodying fundamental aspects of mortal experience taken to nightmarish extremes. The four great powers—Khorne, Tzeentch, Nurgle, and Slaanesh—rule the immaterium as god-kings of madness, their influence seeping into reality wherever the barrier between worlds grows thin. They offer power beyond imagination, immortality beyond death, and freedom beyond mortal limitations, all for the modest price of one's eternal soul.
Within the Warp, the Ruinous Powers wage the Great Game, an eternal contest for dominance where daemonic legions clash across impossible landscapes and reality bends to the will of the strongest. Each god seeks supremacy over their brothers, yet perfect equilibrium has existed since time immemorial, as the very nature of their domains ensures eternal balance. When Khorne grows too powerful through galactic warfare, Tzeentch weaves schemes to undermine the Blood God's champions. When Nurgle spreads his plagues too widely, Slaanesh offers the promise of sensation beyond the numbness of decay. This eternal struggle defines these ancient deities, and through it, they grow ever stronger as mortal civilizations feed their power with every emotion, every thought, every desperate prayer for salvation or vengeance.

The mark of Chaos Undivided — symbol of all four Dark Gods united

The dark pantheon are not distant, uncaring entities but deeply invested in the mortal realm, for sentient beings provide the psychic energy upon which they feed. Every act of rage strengthens Khorne, every moment of despair empowers Nurgle, every scheming ambition feeds Tzeentch, and every indulgence sustains Slaanesh. Through this parasitic relationship, the dark gods have grown from ancient whispers to terrible realities that threaten to consume all of existence. They send their daemons into the materium through Warp-rifts and possess the willing with promises of power, creating Chaos Space Marines and Chaos Cults dedicated to spreading their influence. The Eye of Terror stands as testament to their victory over reality itself, a realm where the Warp bleeds into normal space and these malevolent entities rule supreme.
Yet the Four are not unified in purpose, for their very natures are contradictory and opposed. Khorne despises Slaanesh's decadence, viewing it as weakness masked as strength, while Slaanesh finds Khorne's simple brutality laughably unsophisticated. Tzeentch and Nurgle exist as polar opposites—one the god of change and hope, the other of stagnation and despair. These rivalries ensure that the forces of Chaos rarely present a unified front, instead warring against each other as often as they assault the Empire. Yet when the dark gods do align their purposes, entire sectors burn and reality itself fractures under the weight of their combined assault.
Beyond the four great powers, some mortals walk the treacherous path of Chaos Undivided, serving all these warp gods equally or playing them against each other for personal gain. This most dangerous path offers tremendous power but risks earning the wrath of all four dark gods simultaneously. The Great Powers tolerate such practitioners only so long as they prove useful in the Great Game, and countless champions of Chaos Undivided have found themselves transformed into mindless Chaos Spawn when their patrons tire of their schemes. Yet for those who succeed, the rewards are immeasurable—daemonic gifts beyond counting, immortality beyond death, and power to rival the greatest heroes of the Empire.
These dark powers are eternal, existing before the rise of humanity and destined to endure long after the last mortal breath is drawn. They cannot be killed, for they are sustained by the very emotions that define conscious existence. So long as sentient beings feel rage, despair, hope, and desire, the Ruinous Powers will endure. The Emperor of Mankind sought to deny them by suppressing knowledge of their existence, but this only made their corruption more insidious, striking from the shadows of ignorance. In the grim darkness of the 41st millennium, these ancient deities stand poised for final victory, their influence spreading with the Great Rift and their daemonic legions pouring into reality in unprecedented numbers. They offer salvation from the tyranny of the Empire, power beyond the weakness of mortality, and eternity beyond the terror of death. All they ask in return is everything you are, everything you were, and everything you might have been. In the end, all souls belong to the dark pantheon.

A warrior of Chaos Undivided, sworn to serve all four Dark Gods equally

Chaos Undivided represents the most treacherous path of all—serving all these malevolent entities equally or playing them against each other for personal gain. Those who walk this knife's edge seek to harness the power of all four Ruinous Powers without becoming the pawn of any single god. This path offers tremendous potential, for the champion of Chaos Undivided can draw upon the martial might of Khorne, the sorcerous power of Tzeentch, the resilience of Nurgle, and the perfection of Slaanesh. Yet it demands constant cunning and perfect balance, for the Four are jealous masters who tolerate no divided loyalties.

Chaos Space Marines emerge from the Warp, empowered by the Ruinous Powers

The greatest champions of Chaos Undivided throughout history have wielded power to shake the galaxy itself. Horus Lupercal, once the favored son of the Emperor of Mankind, embraced all these warp gods in his campaign to overthrow the Empire, wielding daemonic gifts from each dark power to enhance his already formidable abilities. His rebellion nearly succeeded, proving that Chaos Undivided can achieve what no single god could accomplish alone. Yet even Horus ultimately became the puppet of the Great Powers, his free will eroded by their competing influences until he was little more than a vessel for their collective malevolence.
In the modern era, Abaddon the Despoiler stands as the greatest living champion of Chaos Undivided, the Warmaster of Chaos who has launched thirteen Black Crusades from the Eye of Terror. Unlike his mentor Horus, Abaddon has maintained his independence, refusing to kneel fully to any of these dark powers while accepting their blessings. Through this careful balance, he has united the disparate warbands of Chaos Space Marines under his banner and shattered the galaxy with the creation of the Great Rift. His success demonstrates that Chaos Undivided remains viable for those with sufficient strength of will and cunning.
Yet the path of Chaos Undivided claims countless failures for every success, warriors transformed into mindless Chaos Spawn when they displease their patrons or fail to maintain the delicate balance between the four powers. The Ruinous Powers view such champions as useful tools in the Great Game, pieces to be sacrificed when convenient. Those who serve Chaos Undivided must constantly prove their worth, offering victories and souls to appease all four dark gods while avoiding dependence on any single power. It is a game that few can play and fewer still can win, but for those who succeed, the rewards are power beyond imagining.

The mark of Khorne, the Blood God — skulls for the Skull Throne

Khorne, the Blood God, is the eldest and most straightforward of these ancient deities, embodying mindless rage, violence, martial pride, and the primal urge to dominate through sheer strength. Born from the first murders committed in the galaxy, Khorne has grown to become perhaps the most powerful of the Ruinous Powers, fed by every act of violence, every battlefield death, and every moment of burning rage throughout the materium. His throne in the Warp towers above mountains of skulls taken from the slain, each representing a soul claimed for the Blood God's eternal glory. From this brass citadel, Khorne watches the galaxy with burning eyes, ever hungry for more bloodshed, more slaughter, more offerings of death to sustain his terrible power.

A Khorne Berzerker of the World Eaters, consumed by the Blood God's rage

The philosophy of Khorne is brutally simple: "Blood for the Blood God! Skulls for the Skull Throne!" He cares not from whence the blood flows, only that it flows without end. Victory and defeat hold no meaning to Khorne—only the fury of battle itself matters. A warrior who dies in glorious combat pleases Khorne as much as one who claims victory, for both offerings feed the god of war. This makes followers of Khorne among the most dangerous combatants in the galaxy, warriors who charge into battle without fear of death, seeking only to offer skulls to their dark patron before they themselves fall.
The World Eaters, once a proud Space Marine Legion, epitomize devotion to Khorne among the Chaos Space Marines. Driven mad by psycho-surgery and the whispers of the Blood God, these berserkers charge into combat with nothing but rage in their hearts and chainaxes in their hands. Their Primarch, Angron, ascended to become a Daemon Prince of Khorne, his transformation a testament to what awaits the Blood God's most faithful servants. Throughout the galaxy, Chaos Cults dedicated to Khorne orchestrate massacres and ritual bloodshed, preparing worlds for daemonic invasion and offering rivers of blood to their ravenous patron.
Khorne stands in eternal opposition to Slaanesh, the Dark Prince whose decadent pleasures the Blood God views as weakness and cowardice. Where Slaanesh seeks sensation and perfection, Khorne desires only slaughter and strength. This rivalry between the two the dark pantheon has raged since the birth of Slaanesh, and their daemonic legions clash constantly in the Warp, each seeking to prove their philosophy superior. Khorne also despises the sorcery of Tzeentch, viewing psychic power as the refuge of cowards unwilling to face their enemies with honest steel. No psykers serve Khorne, for the Blood God abhors all who wield the powers of the Warp rather than martial might.

Typhus, Herald of Nurgle, spreading Grandfather's blessings across the galaxy

Nurgle, the Plague Lord, embodies disease, decay, despair, and the inevitability of entropy that claims all things. Yet unlike the other these malevolent entities, Nurgle presents himself not as a tyrant but as a generous grandfather figure, offering his "gifts" of supernatural plague to the galaxy as tokens of affection. His followers do not suffer from the diseases that ravage their bodies, instead feeling only warmth, acceptance, and freedom from the fear of death. This paradoxical generosity makes Nurgle perhaps the most insidious of the Ruinous Powers, for his corruption masquerades as salvation, transforming desperate souls into willing vessels of pestilence who spread his blessings throughout the Empire.

A Plague Marine of the Death Guard, blessed with Nurgle's gifts of decay

Born from mortal despair and the terror of inevitable death, Nurgle has grown powerful in the 41st millennium as plague and starvation ravage countless worlds. Where others see horror in rotting flesh and festering wounds, followers of Nurgle perceive beauty in decay and rebirth through decomposition. The Plague Lord teaches that death is not an ending but a transformation, that decay feeds new life, and that acceptance of mortality brings peace impossible to find in the Emperor of Mankind's oppressive Empire. His daemonic garden in the Warp overflows with diseased beauty, where every plague that has or ever will exist blooms like a flower, tended by Nurgle's loving hand.
The Death Guard, a traitor Legion of Chaos Space Marines, exemplify devotion to Nurgle's philosophy. Once loyal defenders of humanity, they embraced the Plague Lord's gifts during the Horus Heresy, becoming bloated, diseased warriors who feel no pain and cannot truly die. Their Primarch, Mortarion, serves as Nurgle's greatest champion, a Daemon Prince who leads plague fleets across the galaxy, spreading supernatural diseases that transform entire worlds into daemon worlds where the Plague Lord's influence reigns supreme. Chaos Cults dedicated to Nurgle emerge on plague-stricken worlds, where populations suffering from disease turn to Grandfather Nurgle for relief from their agony.
Nurgle stands opposed to Tzeentch in the Great Game of the Four, for the Plague Lord represents stagnation, acceptance, and entropy while the Changer of Ways embodies ambition, transformation, and hope. These opposing philosophies ensure eternal conflict between their daemonic legions, neither able to achieve final victory over the other. Yet Nurgle cares little for such rivalries, content to slowly corrupt the galaxy one soul at a time, offering his generous gifts to any who despair of the Emperor of Mankind's promises and seek comfort in the embrace of decay.

A Daemonette of Slaanesh, seductive and lethal in equal measure

Slaanesh, the Dark Prince, is the youngest and most insidious of these warp gods, embodying excess, pleasure, pain, pride, and the pursuit of sensation beyond all mortal limits. Born from the catastrophic Fall of the ancient Aeldari empire, whose pursuit of ever-greater pleasures reached such extremes that it tore a new god from the fabric of the Warp, Slaanesh represents the terrible apotheosis of desire unrestrained. Where other the Great Powers promise power or relief from suffering, Slaanesh offers transcendent experiences that make mortal existence seem colorless and meaningless by comparison. Yet this beauty masks corruption more complete than any plague, transforming devoted followers into slaves to sensation who can never again find satisfaction in the mundane.

A Keeper of Secrets leads the daemonic host of the Dark Prince

The philosophy of Slaanesh centers on the pursuit of perfection in all things—whether that perfection manifests as the ultimate sensual experience, the perfect work of art, or absolute mastery in combat. Followers of the Dark Prince become obsessed with their chosen pursuit, driving themselves to ever-greater extremes in search of experiences that can still provoke feeling in increasingly jaded souls. A warrior serving Slaanesh seeks not merely victory but the perfect kill, executed with such precision and beauty that it becomes art. A musician corrupted by the Dark Prince pursues sounds that transcend mere music, creating symphonies that drive listeners to madness or ecstasy. In this way, Slaanesh corrupts the highest aspirations of mortalkind, transforming the drive for excellence into damnation.
The Emperor's Children, once the most perfectionist and disciplined of the Space Marine Legions, fell furthest in their devotion to Slaanesh. Their pursuit of perfection in warfare led them down a path of ever-darker experiments, ultimately embracing the Dark Prince during the Horus Heresy. Now these Chaos Space Marines seek sensation through violence, transforming battle into perverse art and claiming the most exquisite suffering as offerings to their patron. Their Primarch, Fulgrim, ascended to become a Daemon Prince of Slaanesh, his transformation epitomizing the terrible beauty the Dark Prince promises to all who embrace excess without restraint.
Slaanesh stands opposed to Khorne in the Great Game, for the Blood God views the Dark Prince's pursuit of pleasure as weakness and decadence unworthy of true warriors. Where Khorne demands mindless violence, Slaanesh offers refined cruelty; where the Blood God celebrates brutality, the Dark Prince treasures beautiful suffering. This rivalry between the two these dark powers has raged since the birth of Slaanesh, and their philosophies represent fundamentally incompatible visions of power—one through strength and rage, the other through sensation and excess. Yet both paths lead to the same destination: eternal damnation and slavery to powers that care nothing for the souls they consume.

A Lord of Change, greater daemon of Tzeentch, Architect of Fate

Tzeentch, the Changer of Ways, is the most complex and incomprehensible of the Ruinous Powers, embodying change, transformation, ambition, hope, magic, and the endless pursuit of forbidden knowledge. Born from mortal dreams of a better future and the ambition to shape destiny, Tzeentch has grown into the Architect of Fate itself, weaving plots so elaborate and multi-layered that even the other these ancient deities cannot fathom their ultimate purpose. Where Khorne represents straightforward violence and Nurgle embodies inevitable decay, Tzeentch is paradox incarnate—the god of change who schemes to preserve the eternal Great Game, the lord of hope who feeds on despair, the master of sorcery who manipulates those who seek to control the Warp.

A Thousand Sons Sorcerer channels the arcane power of Tzeentch

The philosophy of Tzeentch revolves around the fundamental belief that change is the only constant, that stagnation is death, and that nothing should remain as it was. Followers of the Architect of Fate become obsessed with transformation—whether that means political revolution, physical mutation, psychic evolution, or the unraveling of reality itself. Tzeentch promises knowledge that can reshape the cosmos, power to alter destiny, and the ability to transcend mortal limitations through sorcery and mutation. Yet these promises come with terrible costs, for the Changer of Ways views his followers as pawns in schemes so vast and incomprehensible that no mortal mind can grasp their purpose. Those who serve Tzeentch often find themselves transformed in body and mind, their humanity stripped away layer by layer until nothing remains but twisted creatures of pure Warp-stuff.
The Thousand Sons, once scholarly defenders of humanity who valued knowledge above all, exemplify both the glory and horror of devotion to Tzeentch. Their Primarch, Magnus, sought to master the powers of the Warp to serve the Emperor of Mankind, but his arrogance and ambition played perfectly into the Architect of Fate's schemes. The Thousand Sons were transformed into dust-bound spirits encased in their power armor, cursed to serve Tzeentch for eternity as payment for seeking knowledge beyond mortal ken. Now these sorcerer-warriors wage war across the galaxy, wielding psychic powers that tear reality asunder and seeking forbidden lore to feed their insatiable master's appetite for secrets.
Tzeentch stands opposed to Nurgle in the Great Game of the dark pantheon, for the Changer of Ways represents transformation and ambition while the Plague Lord embodies stagnation and despair. These opposing forces ensure eternal conflict, neither able to achieve final victory, for change cannot exist without something to change from, and entropy cannot claim what constantly transforms. Tzeentch also maintains a peculiar relationship with Khorne, for the Blood God despises sorcery as cowardice while the Architect of Fate views Khorne's martial simplicity as laughably predictable. Yet Tzeentch's greatest enemy may be himself, for his plots grow so complex that they sometimes undermine his own objectives, ensuring the Great Game continues forever—which may have been his intention all along.