Packed with slaughter and swordplay, these audio dramas, written by Black Library authors including Gav Thorpe, James Swallow, Ben Counter and more, offer fresh insight into two of the Imperium's most beloved fighting forces.

After seven years of bitter war, the end has come at last for the conflict known infamously as the Horus Heresy. Terra now lies within the Warmaster’s sights, the Throneworld and the seat of his father’s rule. Horus’ desire is nothing less than the death of the Emperor of Mankind and the utter subjugation of the Imperium. He has become the ascendant vessel of Chaos and amassed a terrible army with which to enact his will and vengeance. But the way to the Throne will be hard as the primarch Rogal Dorn, the Praetorian and protector of Terra, marshals the defences.

For a thousand years, the Sabbat Worlds have been lost to the Imperium, claimed by the dread powers of Chaos. Now, a mighty crusade seeks to return the sector to Imperial rule. And at the forefront of that crusade are Colonel-Commissar Ibram Gaunt and the Tanith First and Only - better known as Gaunt’s Ghosts. Trapped in the grinding trench warfare of Fortis Binary, the Ghosts find themselves drawn into a conspiracy to assassinate the crusade’s leader, Warmaster Macaroth.

For Ianthe, war is all too familiar. A former soldier in the Astra Militarum, she now serves Inquisitor Covenant as an agent of the Throne. Her first mission sees her investigating a cult called the Children of Eternity. Falling foul of the local Enforcers, Ianthe soon learns that war in the shadows is seldom straightforward and that the local, angry law-keepers are the least of her troubles.

In the immense city of Varangantua, life is cheap, but mistakes are expensive. When Probator Agusto Zidarov of the city’s enforcers is charged with locating the missing scion of a wealthy family, he knows full well that the chances of finding him alive are slight. The people demanding answers, though, are powerful and ruthless, and he is soon immersed in a world of criminal cartels and corporate warfare where even an enforcer’s survival is far from guaranteed.

In the far reaches of Imperial space, a ferocious warp storm approaches an Administratum world, cutting off the entire planet from the rest of the Imperium. As their towering grey spires are punished by endless rain, countless administrators, tithe-masters, and book-keepers are forced to evacuate. Among them is Greta, a lowly data-drone with a terrible secret, wanted for questioning by the sadistic Imperial interrogator Stefan Crucius. As disaster strikes and the pair are left stranded in the depths of the drowning city, captor and captive must cooperate.

The Inquisition moves amongst mankind like an avenging shadow, striking down the enemies of humanity with uncompromising ruthlessness. When he finally corners an old foe, Inquisitor Gregor Eisenhorn is drawn into a sinister conspiracy. As events unfold and he gathers allies - and enemies - Eisenhorn faces a vast interstellar cabal and the dark power of daemons, all racing to recover an arcane text of abominable power: an ancient tome known as the Necroteuch.

Baggit is the fast-talking ratling with an eye for the big score. Clodde is the ogryn with a heart of gold and a head full of dreams. These abhuman deserters-turned-criminals operating in the city of Varangantua have crossed the wrong man for the last time—and now they’re on the run. At least, that is, until Baggit learns of a score that could pay their debts and save their skins—the Wraithbone Phoenix, a fabled treasure rumoured to be hidden aboard a voidship recently scheduled for decommission. But Baggit and Clodde aren’t the only ones with eyes on the prize.

The wind screams. The dark night is freezing. Vossk, a Vostroyan Firstborn, shrinks into a rock against a howl of memories. Having disgraced himself by deserting his post during a terrifying encounter, Vossk had resigned himself to penal servitude, though yearned for the chance to redeem himself. But in the 41st Millennium, such dreams are hollow when a man’s reality has been shaken to his core. Found in the shadows of a pitiless cave, Vossk relives his tale to his rescuer....

The End Times are coming. As the forces of Chaos threaten to drown the world in madness, Mannfred von Carstein and Arkhan the Black put aside their difference and plot to resurrect the one being with the power to stand against the servants of the Ruinous Powers and restore order to the world - the Great Necromancer himself. As they set about gathering artefacts to use in their dark ritual, armies converge on Sylvania, intent on stopping them. But Arkhan and Mannfred are determined to complete their task. No matter the cost, Nagash must rise again.

Abandoned by his primarch and left to lead the Space Wolves into an uncertain future, Bjorn the Fell-Handed is amongst the greatets of the sons of Russ. But even legends must fall, and when Bjorn meets his end on a distant world, his body broken beyond repair, his brothers battle to save him, and he remembers the events that brought him to this place...and realises his destiny.

In the midst of a vast gas nebula lies a remote watch-station, hanging silently against a tapestry of dying stars. It sits alone, patiently awaiting lost travellers adrift in the freezing vastness of the void. To such souls it appears as a blessing, a safe haven from the warp storms that wrack the immaterium and destroy the ships of those foolish enough to test the tides. To Captain Arq and her crew, it is one thing - refuge. But things are never so simple.

Constantin Valdor. It is a name that brings forth images of heroism, honour and peerless duty. For it is he who commands the will of the Legio Custodes that most esteemed and dedicated cadre of elite warriors. He is the Emperor’s sword, His shield, His banner and he knows no equal. Clad in shining auramite, his fist clenched around the haft of his Guardian Spear, he is the bulwark against all enemies of the throne, within or without. Nearing the end of the wars of Unity, Valdor’s courage and purpose is put to the test as never before.

In the hellish sprawl of Imperial Terra, Ordo Hereticus Inquisitor Erasmus Crowl serves as a stalwart protector, for even the Throneworld is not immune to the predations of its enemies. In the course of his duty, Crowl becomes embroiled in a dark conspiracy, one that leads all the way to the halls of the Imperial Palace. As he plunges deeper into the shadowy underbelly of the many palace districts, his investigation attracts the attention of hidden forces, and soon he and his acolyte Spinoza are being hunted.

Best-selling author Dan Abnett turns his hand to the mighty Space Marines! The war-torn far future is laid bare as Brothers of the Snake follows the exploits of the Iron Snakes Space Marines as they battle against the enemies of mankind. First appearing in the pages of Inferno! magazine, the Iron Snakes Space Marines quickly gathered a loyal following, and now they wage war in a full-blown adventure, battling aliens and heretics as they defend the Imperium.

There are those in the great expanse of the galaxy that seek profit wherever it is to be found: the deal makers, the opportunists and explorers – the Rogue Traders. Granted power by an ancient charter, sanctioned by the Emperor Himself, these scoundrels, entrepreneurs and adventurers roam the galaxy in search of fortune and glory. None perhaps are as hungry for these twin vices as Janus Draik.

For Ianthe, war is all too familiar. A former soldier in the Astra Militarum, she now serves Inquisitor Covenant as an agent of the Throne. Her first mission sees her investigating a cult called the Children of Eternity. Falling foul of the local Enforcers, Ianthe soon learns that war in the shadows is seldom straightforward and that the local, angry law-keepers are the least of her troubles.

Inquisitor Greyfax and a retinue of incorruptible Grey Knights are sent on a mission by the reborn Primarch Guilliman to recover the Eye of Night, a fabled artefact of Ruin that could weaken the Great Rift. It will be no easy task as Greyfax – with the aid of a long dead inquisitor – must journey into the Eye of Terror itself and challenge a traitor of a truly ancient pedigree, the crone Moriana.

In the immense city of Varangantua, life is cheap, but mistakes are expensive. When Probator Agusto Zidarov of the city’s enforcers is charged with locating the missing scion of a wealthy family, he knows full well that the chances of finding him alive are slight. The people demanding answers, though, are powerful and ruthless, and he is soon immersed in a world of criminal cartels and corporate warfare where even an enforcer’s survival is far from guaranteed.

Since the halcyon days of the Great Crusade, these noble rogue trader dynasties have plied the void in the Emperor’s name, answering to whomsoever sits as the king of the Davamir Compact. There has been profit and adventure and abundance in these times… Yet now the galaxy is changed, divided by the birth of the Great Rift. As plans are drawn up for the most immense crusade imaginable, the Emperor’s reborn son demands that the Compact seek a way across the Rift.

The Custodian Guard have stood watch over the Emperor's Palace on Terra since the foundation of the Imperium. Charged with protecting the Master of Mankind from all threats, within and without, their fearsome resolve is renowned throughout the galaxy, and their golden armour is the last thing that a would-be assassin or saboteur will ever see.

Harran Blackwood was a Warrior-Priest of ruthless virtue. Now he's a man with a scorched reputation, prowling the back alleys of Greywater Fastness, content to fight the petty wars of racketeers for survival. But when a desperate message arrives from an old friend, Blackwood is forced to confront a past he thought long buried. Summoned to the isolated village of Wald, Blackwood sets off on a perilous trek to ensure the sins of his former life remain forgotten.

The Inquisition moves amongst mankind like an avenging shadow, striking down the enemies of humanity with uncompromising ruthlessness. When he finally corners an old foe, Inquisitor Gregor Eisenhorn is drawn into a sinister conspiracy. As events unfold and he gathers allies - and enemies - Eisenhorn faces a vast interstellar cabal and the dark power of daemons, all racing to recover an arcane text of abominable power: an ancient tome known as the Necroteuch.

Following the whim of the Laughing God, the Masque of the Fading Dawn conduct an audacious attack against mon-keigh invaders. Battling to secure their legacy, the troupe put on a performance worthy of remembrance against a backdrop of acerbic remarks from their Death Jester, Adroniel. Intent on a spectacular finale, Adroniel becomes hell-bent on obliterating their unremarkable human foe with deadly artistry, until a strange encounter challenges her role in the final act....

He is known by many names - Clonelord, Manflayer, Primogenitor. He is the epitome of deceit and perversion, and feared by man and monster alike. Once the Chief Apothecary of the Emperor's Children, the madman known as Fabius Bile possesses a knowledge of genetic manipulation second to none.

Following a ferocious battle against Nurgle’s hordes, Lieutenant Quiller and the crew of Titans’ Bane are trapped inside the stricken Shadowsword. With her Cadian unit half-depleted, Quiller is forced to rely upon Paragonian and Mordian replacements. Vicious infighting within the tank soon becomes as dangerous as the enemy outside. In order to survive, Quiller knows she must remind her men that loyalty, camaraderie and self-sacrifice in the name of the Emperor transcends all planetary customs and patriotism.

In the grim nightmare future of the 41st millennium, the witch-hunting zealots of the the Sisters of Battle stand between humanity and damnation. From the elite Seraphim warriors to the berserk Sisters Repentia, they are the strong arm of the Ecclesiarchy and the brutal hammer of witches. When dangerous psychic heretic Torris Vaun escapes from her custody, Seraphim Miriya is disgraced in the eyes of her fellow sisters and superiors. Following Vaun's trail to the planet Neva, Miriya takes her sisters in pursuit and, along with Hospitalier Sister Verity, starts her investigations.

It is the thirty-second millennium and the Imperium is at peace. The Traitor Legions of Chaos are but a distant memory and the many alien races that have long plagued mankind are held in check by the Space Marines. But an ork invasion of unparalleled scale throws the Imperium into disarray. As worlds burn and renowned Space Marine Chapters are destroyed, can the Imperium pull together to defeat the Beast?

Born into riches, Probator Symeon Noctis attempts to atone for his past sins by championing the powerless of Nearsteel district. But the sprawling city of Varangantua is uncaring of its masses, and when a bisected corpse is discovered in the neutral zone between Nearsteel and the Adeptus Mechanicus enclave of Steelmound, Noctis finds himself cast into his most dangerous case yet.

The shrine world of Divinatus Prime has become lost to the light of the Astronomican, and no ship can piece its veil. Only the Lord of Death himself, Blood Angels Chief Librarian Mephiston, has any hope of discerning the fate of this once pious world. After enacting a powerful blood ritual, Mephiston and an honour guard of his fellow Blood Angels reach the stricken shrine world to find it seized by religious civil war. Each faction fights for dominance of a potent artefact, the Blade Petrific, said to be wrought by the Emperor Himself.